Best Cat Back Exhaust for Trucks and Cars

Best Cat Back Exhaust

A strong cat-back exhaust choice matches your vehicle and bed or cab configuration, then offers the sound, materials and installation details you want. This roundup covers systems for Silverado and Sierra pickups, Ford F-150, Ram 1500, Toyota Tacoma, Lexus IS and Honda Civic applications, plus one Flowmaster system without listed fitment. The products range from 409 stainless steel truck systems to a T-304 stainless Borla kit and aluminized-steel Flowmaster tubing.

Some highlight dual exits or black tips; others specify factory-hanger installation, included hardware or a no-drone guarantee. Start by confirming exact vehicle fitment rather than choosing by brand or sound description alone.

Then compare construction, exit layout, installation details and any stated restrictions before ordering.

Rough Country Dual Cat-Back Sierra is the Best Cat Back Exhaust pick in this set for its specified 2019–2024 Chevy/GMC Sierra 5.3L application, dual rear-exit design and practical installation details. It uses corrosion-resistant 409 stainless steel, 16-gauge tubing, a 409 stainless black muffler and dual-wall 304 stainless black tips. The kit installs into OEM hangers without welding and includes a limited lifetime replacement warranty.

Confirm your exact truck configuration before buying; the listing specifies Silverado fitment and its description names Chevy/GMC pickups.

Our Top Picks

Rough Country Sierra Dual Cat-BackBest Overall

Rough Country Sierra Dual Cat-Back

Its dual rear-exit layout, 409 stainless construction, 16-gauge tubing and OEM-hanger, no-welding installation make a clearly specified truck package.

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Borla 140753BC Cat-BackBest T-304 Construction

Borla 140753BC Cat-Back

This Ram 1500 V8 system specifies T-304 stainless steel, all-welded construction, bolt-on installation and a no-drone guarantee.

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Rough Country F-150 Dual Cat-BackBest Exit Choice

Rough Country F-150 Dual Cat-Back

For 2009–2014 F-150 2WD/4WD V8 applications, it offers side or rear exits, 409 stainless steel and OEM-hanger installation without welding.

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Compare Fitment, Design, and Key Details

#ProductMaterialWeightCompatible with Vehicle TypeBuy
1Stainless Steel62 lb2019-2024 4WD Chevy SilveradoView on Amazon
2
Borla 140753BC Cat-Back2. Borla 140753BC Cat-BackBest T-304 Construction
—52.9 lb—View on Amazon
3Stainless Steel68 lb2009-2014 2WD Ford F-1502009-2014 4WDView on Amazon
4—24 lb—View on Amazon
5Plastic4 lbCarView on Amazon
6
DNA MOTORING Silverado Cat-Back6. DNA MOTORING Silverado Cat-BackSilverado and Sierra short-bed owners
——CarView on Amazon
7
Auto Dynasty Silverado Cat-Back7. Auto Dynasty Silverado Cat-BackShort-bed Silverado and Sierra owners
Stainless Steel—Compatible with Silverado Sierra 1500 2007-2013View on Amazon
8
PHILTOP Tacoma Cat-Back8. PHILTOP Tacoma Cat-BackTacoma 4.0L V6 owners
Stainless Steel——View on Amazon
9
PHILTOP Lexus Cat-Back9. PHILTOP Lexus Cat-BackLexus IS owners seeking tuned flow
—27.7 lb—View on Amazon
10
Flowmaster 817689 Outlaw10. Flowmaster 817689 OutlawAggressive-sound exhaust shoppers
—56.1 lb—View on Amazon

Detailed Reviews: Best Cat Back Exhaust

Rough Country Sierra Dual Cat-Back

#1 · Best Overall

1. Rough Country Sierra Dual Cat-Back

  • Material: Stainless Steel
  • Weight: 62 lb
  • Compatible with Vehicle Type: 2019-2024 4WD Chevy Silverado

Best for: 5.3L Sierra dual-exit upgrade.

Why it ranks #1: Its dual rear-exit layout, 409 stainless construction, 16-gauge tubing and OEM-hanger, no-welding installation make a clearly specified truck package.

A dual rear-exit layout that installs into OEM hangers without welding defines this Rough Country cat-back for 2019–2024 Chevy/GMC Sierra trucks with a 5.3L engine. That mounting approach supports an at-home installation path, while the black dual-wall stainless tips create a coordinated rear-exit finish and can retain OEM dual tips.

Rough Country specifies corrosion-resistant 409 stainless steel, 16-gauge tubing, and a 409 stainless black muffler and clamps, linking the material choices to the system’s exhaust hardware. Dual-wall 304 stainless black tips complete the rear-exit layout, with OEM dual tips retainable according to the features. Installation uses OEM hangers and requires no welding, which can simplify the listed at-home installation workflow. The stated application is for 2019–2024 Chevy/GMC Sierra 5.3L trucks, with the specification identifying 4WD Chevy Silverado compatibility.

Pros
  • Dual cat-back design with rear exit
  • 409 stainless steel, 16-gauge tubing
  • Installs into OEM hangers without welding
  • Dual-wall 304 stainless black tips; can retain OEM dual tips
Cons
  • The specifications identify 4WD Chevy Silverado compatibility, limiting the stated application.

Skip it if you need a listed application broader than the 2019–2024 Sierra 5.3L and specified 4WD Silverado fitment; this listing does not establish one.

This suits owners of the listed 2019–2024 Sierra 5.3L configuration seeking dual rear exits and a no-weld, OEM-hanger installation. Check the stated vehicle scope carefully: the specifications identify 4WD Silverado compatibility, not every Silverado configuration.

Full product details
BrandRough Country
ColorStainless
Compatible with Vehicle Type2019-2024 4WD Chevy Silverado
Included Components(1) Drivers Side Mid Tube & Exit Tube, (1) Inlet Tube, Exhaust Extension Tube, (1) Muffler, (1) Passenger Side Mid Tube & Exit Tube, (2) Exit Tubes with Black Exhaust Tips
Item Weight62 pounds
ManufacturerRough Country
Part Number96011
Manufacturer Warranty DescriptionLimited Lifetime
MaterialStainless Steel
Model Number96011
Additional InformationImportant information Safety Information "RC recommends a certified technician install lift systems. Knowledge of RC instructions, suspension procedures and post install checks are required. If a system is installed w/o knowledge and expertise it may impact the integrity/operating safety."

Listed on Amazon as: Rough Country Dual Cat-Back Exhaust for 19-24 Chevy/GMC Sierra |5.3L – 96011

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Borla 140753BC Cat-Back

#2 · Best T-304 Construction

2. Borla 140753BC Cat-Back

  • Weight: 52.9 lb

Best for: Ram owners seeking ATAK sound.

Why it ranks #2: This Ram 1500 V8 system specifies T-304 stainless steel, all-welded construction, bolt-on installation and a no-drone guarantee.

An ATAK muffler and a no-drone guarantee distinguish this BORLA cat-back for specified 2019–2023 Ram 1500 V8 trucks. Its T-304 stainless-steel construction and all-welded build speak to buyers prioritizing a durable exhaust assembly, while dual split rear exits and large black-chrome tips establish the system’s visible outlet configuration.

The listed application covers 2019 Ram 1500 5.7L 2WD/4WD Crew Cab trucks with the short 5-foot-7-inch bed and excludes Ram Classic; the title gives the broader 2019–2023 V8 range, so the detailed configuration deserves attention. T-304 stainless steel and all-welded construction define the assembly, while the ATAK muffler supplies the named sound character. A no-drone guarantee addresses cabin resonance concerns, and bolt-on installation avoids a stated welding requirement during installation.

Pros
  • T-304 stainless-steel construction
  • All-welded construction
  • Bolt-on installation
  • ATAK muffler with no-drone guarantee
Cons
  • Does not fit Ram Classic models.

Skip it if you own a Ram Classic; this system explicitly excludes Classic models from its stated application.

This targets owners of compatible 2019–2023 Ram 1500 V8 trucks seeking ATAK sound, split rear exits, and T-304 construction. The detailed application specifies a Crew Cab short bed configuration and excludes Ram Classic, making those boundaries important.

Full product details
BrandBorla
Item Weight‎52.9 pounds
Item model number‎140753BC
Manufacturer‎BORLA
Part Number‎140753BC
Model‎Borla 140753BC
Dimensions‎24.02 x 5.12 x 6.3 inches
Additional InformationImportant Information Proposition 65 Warning for California Consumers WARNING: This product can expose you to chemicals including styrene which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Listed on Amazon as: BORLA 140753BC Cat-Back Perf. Exhaust System for 2019-2023 Ram 1500 V8 (Incl. E-Torque) (Exc. Classic) T-304 Stainless Steel ATAK Sound Dual Split Rear Exit Single 5" Round Black Chrome Tips Each Side

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Rough Country F-150 Dual Cat-Back

#3 · Best Exit Choice

3. Rough Country F-150 Dual Cat-Back

  • Material: Stainless Steel
  • Weight: 68 lb
  • Compatible with Vehicle Type: 2009-2014 2WD Ford F-1502009-2014 4WD

Best for: F-150 V8 dual-exit buyers.

Why it ranks #3: For 2009–2014 F-150 2WD/4WD V8 applications, it offers side or rear exits, 409 stainless steel and OEM-hanger installation without welding.

Side or rear exits make this Rough Country dual cat-back notably flexible in its listed 2009–2014 Ford F-150 V8 application. It uses OEM hangers and needs no welding, a combination that supports an at-home installation approach while letting buyers choose between two exit layouts rather than a single fixed outlet location.

The kit is listed for 2009–2014 2WD and 4WD Ford F-150 models, and its dual-cat-back design permits side or rear exits. Corrosion-resistant 409 stainless steel tubing is specified at 16 gauge, while black 409 stainless muffler and clamps pair with dual-wall 304 stainless black tips. Installation uses OEM hangers and requires no welding, which can reduce the work involved compared with a welded installation. The included exit tubes, clamps, and muffler support the system’s multi-piece layout.

Pros
  • Listed for 2009–2014 Ford F-150 2WD and 4WD
  • Dual cat-back design with side or rear exits
  • 409 stainless steel, 16-gauge tubing
  • Installs into OEM hangers without welding
Cons
  • The stated application is limited to 2009–2014 Ford F-150 models.

Skip it if you need a cat-back for an F-150 outside the listed 2009–2014 model years; this system’s stated range does not cover it.

This suits 2009–2014 F-150 V8 owners who want dual exits and a choice of side or rear routing, with OEM-hanger, no-weld installation. Its stated fitment covers 2WD and 4WD trucks in that year range only.

Full product details
BrandRough Country
ColorStainless
Compatible with Vehicle Type2009-2014 2WD Ford F-1502009-2014 4WD
Included Components(2) 80 Deg. Exit Tubes, (2) (Black) Exhaust Tips, (7) Exhaust Clamps, Inlet Tube, Mid Tube, Exhaust Hanger Clamp, Extension Pipe, Muffler, Right Side Exit tube, Left Side Exit Tube, Left Side Down Tube, Poly Exhaust Isolator
Installation TypeClamp-On
Item Weight68 pounds
ManufacturerRough Country
Part Number96010
Manufacturer Warranty DescriptionLifetime
MaterialStainless Steel
Model Number96010
Additional InformationImportant information Safety Information "RC recommends a certified technician install lift systems. Knowledge of RC instructions, suspension procedures and post install checks are required. If a system is installed w/o knowledge and expertise it may impact the integrity/operating safety."

Listed on Amazon as: Rough Country Dual Cat-Back Exhaust for 2009-2014 F-150 2WD/4WD | V8-96010

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DNA MOTORING Civic Cat-Back

#4 · Best T-304 Option

4. DNA MOTORING Civic Cat-Back

  • Weight: 24 lb

Best for: Older Civic coupe and sedan owners.

Why it ranks #4: It fits 1992–2000 Civic coupes and sedans and lists T-304 stainless steel, mandrel-bent tubing and included hardware and gaskets.

T-304 stainless steel and computerized mandrel bends give the DNA MOTORING system its defining construction combination, with the bends specified for strength and durability. It is listed for 1992–2000 Honda Civic coupes and sedans, bringing a deep, aggressive exhaust tone and claimed low-end torque gains to owners of those older Civic configurations.

The fitment specifically covers 1992–2000 Honda Civic Coupe and Sedan models, so body style and model year are key selection checks. T-304 stainless steel paired with computerized mandrel bends supports the stated strength and durability goals, while TIG-welded CNC-machine flanges are identified for resistance to pressure and corrosion. DNA MOTORING also claims a 15–25 horsepower or low-end torque increase and describes the tone as aggressive, deep, and smooth; those are manufacturer claims rather than guaranteed outcomes.

Pros
  • Listed for 1992–2000 Honda Civic Coupe
  • Listed for 1992–2000 Honda Civic Sedan
  • T-304 stainless steel with computerized mandrel bends
  • TIG-welded CNC-machine flange
Cons
  • The stated application covers Civic coupes and sedans from 1992–2000 only.

Skip it if you have a Civic outside the listed 1992–2000 coupe or sedan range; this kit’s stated fitment does not extend beyond it.

Civic owners with a 1992–2000 coupe or sedan are the intended buyers, especially those prioritizing T-304 steel and mandrel-bent construction. The listed application is narrow, so body style and year need to match before this system is a candidate.

Full product details
BrandDNA MOTORING
Included Components1 X Catback Exhaust Hardware/gaskets as shown
Item Weight24 pounds
ManufacturerDNA Motoring
Part NumberCBE-HC922-NRT
Manufacturer Warranty DescriptionPlease contact the seller directly for warranty information for this product
Model NumberCBE-HC922-NRT

Listed on Amazon as: DNA MOTORING CBE-HC922-NRT Stainless Steel Cat Back Exhaust System [Compatible with 92-00 Honda Civic Coupe/Sedan]

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Flowmaster 17395 American Thunder

#5 · Best Dual-Tip Setup

5. Flowmaster 17395 American Thunder

  • Material: Plastic
  • Weight: 4 lb
  • Compatible with Vehicle Type: Car

Best for: Classic Silverado same-side exits.

Why it ranks #5: This Silverado/Sierra application specifies dual 3-inch polished stainless tips, factory-hanger installation and mandrel-bent 16-gauge aluminized-steel tubing.

Dual 3-inch polished stainless tips exit on the same side in this Flowmaster American Thunder kit, giving compatible classic Silverado and Sierra owners a defined rear exhaust arrangement. Its moderate-to-aggressive exterior tone and Super 40 Series muffler make it a sound-focused option for specified 1999–2007 Classic 1500 Extended Cab Short Bed trucks.

Flowmaster lists compatibility with 1999–2007 Classic Chevy Silverado and GMC Sierra 1500 Extended Cab Short Bed models with 4.8L or 5.3L engines. Mandrel-bent 16-gauge aluminized-steel tubing forms the exhaust path, while the Super 40 Series performance muffler is dyno tuned and the system is described as having a moderate-to-aggressive exterior tone. Factory hanger locations, included hangers, and hardware support a straightforward installation workflow without changing the specified exit arrangement.

Pros
  • Listed for Classic Silverado and Sierra 1500 Extended Cab Short Bed
  • Engine application includes 4.8L and 5.3L
  • Mandrel-bent 16-gauge aluminized-steel tubing
  • Super 40 Series muffler with dual 3-inch stainless tips
Cons
  • The main tubing is aluminized steel rather than stainless steel.

Skip it if you prioritize stainless-steel tubing throughout the system; this kit specifies aluminized-steel tubing, while BORLA 140753BC lists T-304 stainless construction.

This is for owners of the listed Classic Silverado or Sierra 1500 Extended Cab Short Bed with a 4.8L or 5.3L engine who want same-side dual exits and a moderate-to-aggressive tone. Its tubing is aluminized steel, not stainless.

Full product details
BrandFlowmaster
ColorMulticolor
Compatible with Vehicle TypeCar
Included ComponentsFlowmaster 17395 Cat-back System – Dual Same Side Exit – American Thunder – Aggressive Sound
Item Weight4 pounds
ManufacturerFlowmaster
Part Number17395
Manufacturer Warranty DescriptionCheck with the manufacturer
MaterialPlastic
Model Number17395

Listed on Amazon as: Flowmaster 17395 American Thunder Cat-Back Exhaust Kit 3 Inch Aluminized Steel 3 Inch Stainless Tips Compatible with 1999-2007 Classic Chevy Silverado GMC Sierra 1500 4.8L 5.3L Extended Cab Short Bed

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DNA MOTORING Silverado Cat-Back

#6

6. DNA MOTORING Silverado Cat-Back

  • Compatible with Vehicle Type: Car

Best for: Silverado and Sierra short-bed owners.

Why it ranks #6: It fits specified 2007–2013 Silverado/Sierra crew or extended cab short beds and lists 409 stainless steel with hardware and gaskets.

T-409 stainless steel with computerized mandrel bends gives this DNA MOTORING cat-back a construction-focused profile for 2007–2013 Silverado and Sierra 1500 short-bed trucks. The specified Crew and Extended Cab fitment narrows its audience, while TIG-welded CNC-machine flanges are described as resisting pressure and corrosion in the exhaust connection points.

DNA MOTORING lists the 2007–2013 Chevy Silverado 1500 and GMC Sierra 1500 Crew/Extended Cab Short Bed as its application, making cab and bed configuration essential to the fit decision. T-409 stainless steel and computerized mandrel bends are specified for strength and durability; TIG-welded CNC-machine flanges add the stated pressure and corrosion resistance. The maker also claims a 15–25 horsepower or low-end torque increase and describes a deep, aggressive tone, but these remain stated performance claims.

Pros
  • Listed for 2007–2013 Silverado 1500 Crew/Extended Cab Short Bed
  • Listed for 2007–2013 Sierra 1500 Crew/Extended Cab Short Bed
  • T-409 stainless steel with computerized mandrel bends
  • TIG-welded CNC-machine flange
Cons
  • The stated fitment is limited to Crew/Extended Cab Short Bed configurations.

Skip it if you have a Silverado or Sierra 1500 with a cab or bed configuration outside the listed Crew/Extended Cab Short Bed application.

This fits the needs of Silverado and Sierra 1500 owners whose 2007–2013 truck matches the listed Crew or Extended Cab Short Bed configuration. T-409 steel and welded flanges are central features, but the specified body configuration is a firm boundary.

Full product details
BrandDNA MOTORING
Compatible with Vehicle TypeCar
Included Components1 X Catback Exhaust System Hardware/Gaskets as shown
ManufacturerDNA Motoring
Part NumberCBE-CS09-4853L-4DR
Manufacturer Warranty DescriptionPlease contact the seller directly for warranty information for this product
Model NumberCBE-CS09-4853L-4DR

Listed on Amazon as: DNA MOTORING CBE-CS09-4853L-4DR Stainless Steel Cat Back Exhaust System [Compatible with 07-13 Silverado 1500/07-13 Sierra 1500 Crew/Extended Cab Short Bed]

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Auto Dynasty Silverado Cat-Back

#7

7. Auto Dynasty Silverado Cat-Back

  • Material: Stainless Steel
  • Compatible with Vehicle Type: Compatible with Silverado Sierra 1500 2007-2013

Best for: Short-bed Silverado and Sierra owners.

Why it ranks #7: Its fitment covers 2007–2013 Silverado/Sierra crew or extended cab short beds, with a 3-inch inlet and 4-inch outlet.

A 3-inch inlet paired with a 4-inch outlet gives this Auto Dynasty cat-back a defined pipe-size profile for compatible 2007–2013 Silverado and Sierra 1500 short-bed trucks. Its racing-design exit system is presented as a way to enhance exhaust flow while retaining an aggressive tone, making it relevant to owners seeking a performance-oriented exhaust change.

The stated fit covers Crew and Extended Cab Short Bed versions of the 2007–2013 Chevy Silverado 1500 and GMC Sierra 1500, narrowing the application to those configurations. Stainless-steel construction gives the system a corrosion-resistant material choice, while the 3-inch inlet and 4-inch outlet specify its connection sizes for planning the exhaust setup. Auto Dynasty claims a 15–25 horsepower increase or low-end torque improvement; that is the maker’s stated performance claim, not a guaranteed result for every truck.

Pros
  • Specified for 2007–2013 Silverado 1500 Crew/Extended Cab Short Bed
  • Specified for 2007–2013 Sierra 1500 Crew/Extended Cab Short Bed
  • Stainless-steel construction
  • 3-inch inlet and 4-inch outlet connections
Cons
  • Not CARB compliant and not legal for California emission models.

Skip it if you need a CARB-compliant exhaust for a California emission model; this system is explicitly not legal for that use.

This suits Silverado or Sierra 1500 owners with the listed Crew or Extended Cab Short Bed configuration who want stainless construction and an aggressive exhaust tone. Its fitment is limited to the specified 2007–2013 trucks, and it is not legal for California emission models.

Full product details
BrandAuto Dynasty
Compatible with Vehicle TypeCompatible with Silverado Sierra 1500 2007-2013
Inlet Connection Size3 inches
ManufacturerAuto Dynasty
Part NumberAD-CBE-CS09-4853L-4DR-1
MaterialStainless Steel
Outlet Connection Size4 inches
Additional InformationImportant information

Listed on Amazon as: Auto Dynasty 4" Catback Exhaust Tip System For 07-13 Silverado Sierra 1500

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PHILTOP Tacoma Cat-Back

#8

8. PHILTOP Tacoma Cat-Back

  • Material: Stainless Steel

Best for: Tacoma 4.0L V6 owners.

Why it ranks #8: This stainless-steel system lists fitment for specified Tacoma 4.0L V6 years and includes one cat-back exhaust with a two-year manufacturer warranty.

This PHILTOP cat-back is listed for Toyota Tacoma 4.0L V6 models across 2005–2009 and 2011–2015, a split year range that immediately defines its fitment. Its larger pipes, low-restriction mufflers, and tuned resonators are described as a noise-reduction approach, giving Tacoma owners a system aimed at exhaust flow and a more controlled sound.

The stated application is specifically the Tacoma 4.0L V6 for 2005–2009 and 2011–2015, so the omitted 2010 model year matters when checking eligibility. PHILTOP identifies larger pipes, low-restriction mufflers, and tuned resonators as components that can reduce noise, connecting the internal exhaust path with the intended sound effect. Stainless-steel construction is listed, and the kit includes one cat-back exhaust. The product dimensions are 45.28 by 10.24 by 10.63 inches, useful context for handling and storage.

Pros
  • Listed for 2005–2009 Tacoma 4.0L V6
  • Listed for 2011–2015 Tacoma 4.0L V6
  • Stainless-steel construction
  • Features larger pipes, low-restriction mufflers, and tuned resonators
Cons
  • The stated fitment excludes 2010 Tacoma models.

Skip it if you own a 2010 Tacoma 4.0L V6; that model year is outside the two stated fitment ranges.

This is for Tacoma owners with the listed 4.0L V6 years who want a stainless cat-back with larger pipes and tuned resonators. The year coverage skips 2010, so owners of that model year should not treat this as a confirmed fit.

Full product details
BrandPHILTOP
Included Components1x Catback Exhaust
Item Dimensions45.28 x 10.24 x 10.63 inches
Dimensions45.28 x 10.24 x 10.63 inches
ManufacturerPHILTOP
Part Number5996ESK0660US
Manufacturer Warranty Description2 Year Manufacturer
MaterialStainless Steel
Model NumberCat-Back Systems

Listed on Amazon as: PHILTOP Cat-Back System Fit for 2005-2009 2011-2015 Toyota Tacoma V6 4.0L

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PHILTOP Lexus Cat-Back

#9

9. PHILTOP Lexus Cat-Back

  • Weight: 27.7 lb

Best for: Lexus IS owners seeking tuned flow.

Why it ranks #9: The listing specifies compatibility with 2006–2010 Lexus IS250/IS350 and provides dimensions and weight, but fewer construction and installation details.

Tuned resonators are paired with low-restriction mufflers in this PHILTOP cat-back system, a combination described as reducing noise while supporting exhaust flow. The stated vehicle range is 2006–2010 Lexus IS250 and IS350, so its appeal is focused on owners of those models who want a replacement system with a tuned exhaust path.

PHILTOP lists compatibility with 2006–2010 Lexus IS250 and IS350 models, making the year and model match central to choosing this kit. Its feature description identifies larger pipes, low-restriction mufflers, and tuned resonators as parts of the noise-reduction approach; those named components give buyers more context than a muffler-only swap. The product information also describes stainless steel as corrosion resistant, a material benefit for an exhaust exposed to road conditions, without specifying pipe dimensions or installation details.

Pros
  • Listed for 2006–2010 Lexus IS250
  • Listed for 2006–2010 Lexus IS350
  • Features larger pipes
  • Uses low-restriction mufflers and tuned resonators
Cons
  • The stated fitment is limited to 2006–2010 Lexus IS250 and IS350 models.

Skip it if you own a vehicle outside the listed 2006–2010 Lexus IS250/IS350 range; the stated application does not cover it.

This is aimed at owners of a 2006–2010 Lexus IS250 or IS350 seeking larger pipes, low-restriction mufflers, and tuned resonators in a cat-back setup. Keep the stated model-year range in view; the supplied listing gives no broader vehicle application.

Full product details
BrandPHILTOP
Item Weight‎27.7 pounds
Item model number‎Cat-Back Systems
Manufacturer‎PHILTOP
Part Number‎4450ESK073MUS
Model‎Cat-Back Systems
Dimensions‎49.21 x 7.87 x 23.23 inches

Listed on Amazon as: PHILTOP Cat-Back System for 2006-2010 Lexus IS250/IS350

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Flowmaster 817689 Outlaw

#10

10. Flowmaster 817689 Outlaw

  • Weight: 56.1 lb

Best for: Aggressive-sound exhaust shoppers.

Why it ranks #10: It lists all-stainless construction, 4-inch black ceramic-coated tips and exit options, but gives no vehicle fitment to confirm application.

A Super 10 performance muffler anchors this Flowmaster Outlaw cat-back, which pairs an all-stainless-steel construction with a deep, aggressive sound. Dual outlets can exit at the rear or side, giving buyers two routing choices, while large 4-inch black ceramic-coated tips establish a prominent finish for the exhaust outlets.

The dual-outlet system offers either rear or side exits, so the chosen layout can guide how the tips appear at the vehicle’s back or side. All-stainless-steel construction specifies the system’s material, and use of factory hanger locations supports installation around the vehicle’s existing hanger points. The Super 10 performance muffler is associated with the listed deep, aggressive sound. The supplied product information does not identify a vehicle application, so fitment cannot be established from these details alone.

Pros
  • Dual outlets with rear or side exit options
  • All-stainless-steel construction
  • Uses factory hanger locations
  • Super 10 performance muffler with 4-inch black ceramic-coated tips
Cons
  • The supplied product details do not identify a vehicle application.

Skip it if you need a confirmed vehicle-specific application before choosing; the supplied listing details do not identify compatible makes, models, or years.

This suits buyers prioritizing all-stainless construction, an aggressive Super 10 sound, and a choice of side or rear exits. Because the supplied details omit vehicle compatibility, it is best for shoppers who can establish fitment from additional product information.

Full product details
BrandFlowmaster
Item Weight‎56.1 pounds
Item model number‎817689
Manufacturer‎Flowmaster
Part Number‎817689
Model‎817689

Listed on Amazon as: Flowmaster 817689 Outlaw Cat-back Exhaust System

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Check fitment beyond the model name

A model-name match alone does not confirm a cat-back system will fit; cab, bed, engine, drivetrain and trim can narrow compatibility. The Auto Dynasty and DNA MOTORING Silverado/Sierra listings specify crew or extended cab short beds, while the Rough Country Sierra listing is tied to a 5.3L application. Borla’s listing names a 2019–2023 Ram 1500 V8, excludes the Classic, and further identifies crew cab, short bed and a specific wheelbase.

Flowmaster 817689 does not provide vehicle fitment in the supplied data, so its exit options and stainless construction are not enough to establish compatibility. Before ordering, match the full application details in the listing to the vehicle and check whether the kit’s pipe routing and exit locations suit its configuration.

A mismatch can make an otherwise attractive system unusable or require parts not included.

Treat sound claims and emissions notes separately

Sound descriptions do not establish how loud a system will be inside your particular vehicle, and an emissions note can affect whether a system is suitable for your location. Flowmaster 17395 is described as having a moderate-to-aggressive exterior tone, while DNA MOTORING systems describe an aggressive, deep tone. Borla lists a no-drone guarantee, a more specific claim that may matter to drivers concerned about steady-speed cabin noise; the other supplied sound descriptions do not provide comparable cabin measurements.

Auto Dynasty explicitly states that its system is not CARB compliant and is not legal for use in California emission models. Do not assume that a sound label predicts cabin volume, or that a cat-back configuration automatically satisfies local rules.

Check applicable emissions requirements and the vehicle’s exact fitment separately, especially if retaining street legality is important.

How to Choose a Cat-Back Exhaust

Vehicle fitment and configuration

Look for a listing that matches the vehicle’s engine, cab, bed and drivetrain, not just its make and model. Fitment here ranges from Honda Civic coupes and sedans for 1992–2000 to a 2009–2014 F-150 2WD/4WD V8 application. The Silverado/Sierra kits specify crew or extended cab short beds, while Borla’s Ram system excludes the Classic and specifies a V8 crew cab with a short bed.

The tighter the configuration details, the more directly you can check applicability. Buyers with one of these exact listed configurations can compare the matching kit; anyone with a different cab, bed, engine or trim should verify fitment with the manufacturer or seller before purchase.

Construction material and tubing

Compare the stated material and tubing details, since these products do not all list the same construction. Rough Country specifies corrosion-resistant 409 stainless steel and 16-gauge tubing; DNA MOTORING’s Civic system specifies T-304 stainless steel and computerized mandrel bends. Flowmaster 17395 lists 16-gauge aluminized-steel tubing, while the Borla system lists T-304 stainless steel and all-welded construction.

The products best suited to your needs depend on what the listing confirms, not a broad assumption that one material guarantees a particular lifespan. A buyer prioritizing explicitly listed stainless construction can focus on the Rough Country, DNA MOTORING or Borla options; someone considering Flowmaster 17395 should note its aluminized tubing and stainless tips as separate specifications.

Exit layout and installation details

Choose an exit layout and installation approach that suit your vehicle and preferences. Rough Country’s Sierra kit specifies dual rear exits; its F-150 kit allows side or rear exits. Flowmaster 17395 uses dual same-side exits, while Borla’s Ram system lists a dual split rear exit.

Installation details also differ: both Rough Country kits say they use OEM hangers and require no welding, and Flowmaster 17395 says it uses factory hanger locations and includes hangers and hardware. Buyers who want more control over exit placement can consider the F-150 system’s two options, while buyers seeking a stated no-welding installation can look at the Rough Country kits.

Check the complete kit details and vehicle routing before deciding.

Which cat-back exhaust should you choose?

Choose based on your exact vehicle first. For a specified 2019–2024 Sierra 5.3L application and dual rear exits, pick Rough Country Sierra Dual Cat-Back; for a 2009–2014 F-150 V8 and a choice of side or rear exits, pick Rough Country F-150 Dual Cat-Back. Ram 1500 V8 owners whose truck is not a Classic can consider Borla 140753BC Cat-Back for its T-304 construction and no-drone guarantee.

For a 1992–2000 Civic coupe or sedan, DNA MOTORING Civic Cat-Back lists T-304 steel and included hardware. Silverado/Sierra short-bed shoppers can compare DNA MOTORING Silverado Cat-Back with Auto Dynasty Silverado Cat-Back, noting the latter’s stated 3-inch inlet and 4-inch outlet.

Tacoma and Lexus buyers should select the matching PHILTOP application. Do not buy Flowmaster 817689 Outlaw until you verify its fitment.

Frequently Asked Questions

How can I confirm a cat-back exhaust fits my exact cab, bed, engine and drivetrain?

Match the listing to your vehicle’s year, cab, bed, engine, and drivetrain before ordering; do not rely on a broad make-and-model match. Check the product’s fitment details and description, and contact the seller or manufacturer if they differ or leave a configuration unclear. The Rough Country Sierra listing, for example, specifies a 5.3L application.

Will a cat-back exhaust change cabin drone or create an unwanted exhaust tone?

It can change the exhaust sound, but the supplied listings do not establish how every system sounds in the cabin. Borla 140753BC is the one listing here that explicitly states a no-drone guarantee. If sound matters, confirm the guarantee’s terms and seek application-specific sound information before choosing another system.

Do cat-back exhaust systems require emissions approval or professional installation?

Requirements depend on your location and vehicle, and the supplied product details do not establish emissions approval for every system. Check local rules and the specific listing before buying. Installation needs also vary: Rough Country’s Sierra kit is described as using OEM hangers without welding, but that detail should not be assumed for other products.

What should I check before choosing between Silverado and Sierra options?

Start with year, cab, bed, and engine fitment. The DNA MOTORING option specifies 2007–2013 Silverado/Sierra crew or extended cab short-bed applications, while Auto Dynasty’s title lists 2007–2013 Silverado/Sierra Rough Country is the stated choice for a 2019–2024 Sierra 5.3L application; verify your exact configuration.

Which system is specifically listed with a no-drone guarantee?

Borla 140753BC is the only product in this set whose supplied title and editorial details identify a no-drone guarantee. It is listed for 2019–2023 Ram 1500 V8 models, including E-Torque and excluding Classic. Confirm your Ram’s exact configuration and the guarantee’s terms before purchase.

Final Words

Choose by exact vehicle fitment first, then compare exit layout, materials, and installation details that matter to you. For a specified 2019–2024 Sierra 5.3L application, the Rough Country dual rear-exit system is the editorial pick; F-150 V8 owners can consider its listed 2009–2014 system. Ram buyers should note Borla’s stated no-drone guarantee.

Verify configuration and local requirements, especially where a listing’s fitment is unclear.

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