Best Cold Air Intake Filter for Universal Clamp-On Setups

Best Cold Air Intake Filter

A strong cold air intake filter combines a tube-size match with reusable media and a shape that fits your intake space, making it suitable for drivers replacing a clamp-on filter or assembling a universal setup. These ten options range from multi-size 3-, 3.5-, and 4-inch designs to single-inlet 6-inch cones, so checking the intake tube diameter comes first. Several list washable media, while their construction differs: some describe synthetic layers, cotton, or dry mesh.

The listed dimensions and included fit details are uneven, so a product title alone is not enough to confirm clearance or fitment. This roundup compares the available specifications, highlights where the listings provide useful sizing information, and separates multi-size choices from filters that require a specific inlet diameter.

Rogierra Clamp-On Air Filter leads for shoppers who need flexibility across common intake tube sizes: its listing names 3-, 3.5-, and 4-inch tubes, describes a universal clamp-on design, and says the filter arrives pre-oiled and washable. That combination is the clearest match among these picks for buyers choosing between those three diameters. Check the actual tube measurement and available space before ordering; the listing does not provide full filter dimensions.

If your setup uses a 6-inch inlet, choose a listed 6-inch option instead.

Our Top Picks

Rogierra Clamp-On Air FilterBest Overall

Rogierra Clamp-On Air Filter

Its universal clamp-on design fits listed 3-, 3.5-, and 4-inch tubes, and the listing specifies washable, pre-oiled media and a one-year manufacturer warranty.

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TIEVISHO Three-Size FilterBest Media Detail

TIEVISHO Three-Size Filter

It covers 3-, 3.5-, and 4-inch inlets and lists deep-pleated washable, oiled synthetic media, urethane, and steel mesh.

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RYANSTAR Universal FilterAdapter-Included Pick

RYANSTAR Universal Filter

Three adapters are listed for 4.02-, 3.5-, and 3.02-inch tubes, giving buyers explicit size options in a washable clamp-on design.

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Compare the Cold Air Intake Filter Options

#ProductDimensionsDimensionsBuy
1——View on Amazon
2——View on Amazon
3
RYANSTAR Universal Filter3. RYANSTAR Universal FilterAdapter-Included Pick
4.02"L x 4.02"W x 6.1"H4.02"L x 4.02"W x 6.1"HView on Amazon
43.5"L x 4"W x 3"H3.5"L x 4"W x 3"HView on Amazon
5
Rough Country Replacement Filter5. Rough Country Replacement FilterWashable replacement-filter owners
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6
Kyostar 6-Inch Filter6. Kyostar 6-Inch FilterTall 6-Inch Option
7"L x 6"W x 7"H7"L x 6"W x 7"HView on Amazon
7
RIAYOOE Three-Size Filter7. RIAYOOE Three-Size FilterThree-size intake matching
5.9"L x 5.9"W x 9.4"H5.9"L x 5.9"W x 9.4"HView on Amazon
8
muge racing 6-Inch Filter8. muge racing 6-Inch FilterDry-filter maintenance routines
6"L x 6"W x 6"H6"L x 6"W x 6"HView on Amazon
9
TIEVISHO 6-Inch Filter9. TIEVISHO 6-Inch FilterSix-inch inlet filter replacement
6"L x 6"W x 6.69"H6"L x 6"W x 6.69"HView on Amazon
10
LOYALGLORY 24-91064 Filter10. LOYALGLORY 24-91064 FilterBuyers matching listed filter dimensions
——View on Amazon

Detailed Reviews: Best Cold Air Intake Filter

Rogierra Clamp-On Air Filter

#1 · Best Overall

1. Rogierra Clamp-On Air Filter

Best for: Pre-oiled multi-size filter shoppers.

Why it ranks #1: Its universal clamp-on design fits listed 3-, 3.5-, and 4-inch tubes, and the listing specifies washable, pre-oiled media and a one-year manufacturer warranty.

Three listed tube sizes—3, 3.5, and 4 inches—make the Rogierra clamp-on filter adaptable across those intake diameters. It arrives pre-oiled and is described as washable and reusable, combining installation readiness with a maintenance path for buyers seeking a universal-style tapered replacement.

The 3-, 3.5-, and 4-inch fit range is useful when matching the filter to one of those tube diameters, while the universal clamp-on design supports a straightforward replacement workflow. Because the filter is pre-oiled, it is presented as ready in that condition at installation. Its washable, reusable construction supports continued maintenance, and the listing states that it traps harmful contaminants. The round-tapered shape may inform available-space checks, though exact dimensions and cleaning instructions are not supplied.

Pros
  • Fits listed 3-, 3.5-, and 4-inch tube diameters
  • Pre-oiled for installation
  • Washable and reusable
  • Round-tapered clamp-on format
Cons
  • Exact filter dimensions and cleaning instructions are not supplied.

Skip it if you need a 6-inch inlet; Kyostar 4174 lists a 6-inch flange diameter.

This suits an owner with a 3-, 3.5-, or 4-inch intake seeking pre-oiled, reusable media. Its listed fit range is useful, but buyers must account for unprovided dimensions when planning clearance.

Full product details
BrandRogierra
Included ComponentsClamp-On Engine Air Filter
ManufacturerRogierra
Part NumberXML-50991V
Manufacturer Warranty Description1 Year Manufacturer
Model NumberXML-50991V

Listed on Amazon as: Rogierra Clamp-On Engine Air Filter – Premium High Performance Washable & Reusable Cold Air Intake Filter, Fits 3/3.5/4in Diameter Tubes, Round Tapered Red

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TIEVISHO Three-Size Filter

#2 · Best Media Detail

2. TIEVISHO Three-Size Filter

Best for: Three-diameter synthetic media users.

Why it ranks #2: It covers 3-, 3.5-, and 4-inch inlets and lists deep-pleated washable, oiled synthetic media, urethane, and steel mesh.

A 3-, 3.5-, or 4-inch inlet range gives this TIEVISHO filter flexibility across three common tube diameters. Its deep-pleated synthetic element is described as washable and oiled, with urethane and steel mesh also specified, giving buyers concrete media details for a reusable clamp-on replacement.

The three inlet sizes—76mm, 89mm, and 101mm—let buyers match the filter to one of the listed tube diameters. Deep pleats in the synthetic element provide the stated filtration media, while washable, oiled construction supports reuse after maintenance. Urethane and steel mesh are also listed as materials. The product is presented as a clamp-on replacement, but exact external dimensions and cleaning instructions are not supplied, so clearance and upkeep planning rely on details beyond the provided listing.

Pros
  • Three listed inlet sizes: 3, 3.5, and 4 inches
  • Deep-pleated synthetic filter element
  • Washable and oiled media
  • Urethane and steel mesh are specified
Cons
  • Exact external dimensions and cleaning instructions are not provided.

Skip it if you need a 6-inch inlet; TIEVISHO TI-OFI110-RD specifies that larger connection size.

This is for buyers matching a 3-, 3.5-, or 4-inch tube who want washable, oiled synthetic media. Its size range is explicit, but the listing leaves external clearance dimensions and cleaning steps open.

Full product details
BrandTIEVISHO
Included ComponentsCold Air Intake Filter
ManufacturerTIEVISHO
Part NumberTI-OFI076-CB
Model NumberCold Air Intake Filter

Listed on Amazon as: 3 3.5 4 Inch Cold Air Intake Filter 76mm 89mm 101mm High Performance Washable 3 Sizes in 1 Clamp-On Replacement Cone Air Filter Carbon Fiber Pattern

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RYANSTAR Universal Filter

#3 · Adapter-Included Pick

3. RYANSTAR Universal Filter

  • Dimensions: 4.02"L x 4.02"W x 6.1"H
  • Dimensions: 4.02"L x 4.02"W x 6.1"H

Best for: Three-adapter universal fit seekers.

Why it ranks #3: Three adapters are listed for 4.02-, 3.5-, and 3.02-inch tubes, giving buyers explicit size options in a washable clamp-on design.

Three included adapters cover 4.02-, 3.5-, and 3.02-inch connections, giving the RYANSTAR clamp-on filter a clearly stated range for intake matching. Its washable, reusable construction supports cleaning, while the listing also describes filtration of impurities entering the engine, combining fit flexibility with a stated protection purpose.

The three adapters correspond to 4.02-, 3.5-, and 3.02-inch sizes, giving buyers several listed connection options rather than one fixed inlet. Clamp-on installation and washable, reusable construction support a simple replacement and maintenance workflow. RYANSTAR also describes an increased air-contact area and filtration of impurities, connecting the design to its stated airflow and engine-cleanliness aims. The 6.1-inch product height is useful for checking available space around the intake before installation.

Pros
  • Three adapters for 4.02-, 3.5-, and 3.02-inch connections
  • Clamp-on installation
  • Washable and reusable
  • 6.1-inch height is listed
Cons
  • The largest listed adapter size is 4.02 inches.

Skip it if you need a 6-inch intake connection; Kyostar 4174 lists a 6-inch flange diameter.

This suits buyers needing one washable clamp-on filter with adapters for the three stated tube sizes. Its 6.1-inch height and 4.02-inch maximum adapter size define the main clearance and connection boundaries.

Full product details
BrandRYANSTAR RACING
Dimensions4.02"L x 4.02"W x 6.1"H
ManufacturerRYANSTAR
Part NumberAF014
Model NumberAF014

Listed on Amazon as: RYANSTAR Universal Clamp On Air Intake Filter 3/3.5/4 Inch Washable

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K&N RG-1001RD Filter

#4 · Best 4-Inch Fit

4. K&N RG-1001RD Filter

  • Dimensions: 3.5"L x 4"W x 3"H
  • Dimensions: 3.5"L x 4"W x 3"H

Best for: Four-inch universal intake setups.

Why it ranks #4: This universal clamp-on filter specifies a 4-inch flange diameter and 5.5-inch filter height, providing useful sizing details for a single-tube setup.

A 4-inch flange and round-tapered profile give the K&N RG-1001RD a defined connection size for compatible intake tubing. Its high-flow construction is intended to increase airflow, making this a replacement option for buyers prioritizing airflow in a universal clamp-on format rather than a filter with several included inlet adapters.

The 4-inch flange identifies the connection size buyers need to match to their intake, while the 5.5-inch filter height and round-tapered shape help define the space required around the assembly. K&N describes the filter as high-flow and engineered to increase airflow, linking its construction to the intended performance benefit. The universal clamp-on format suits a range of applications, but the listed 4-inch flange is the key fit boundary; the supplied information does not specify a washing procedure.

Pros
  • 4-inch flange is specified for intake matching
  • 5.5-inch filter height helps assess available clearance
  • Round-tapered clamp-on format
  • High-flow design is intended to increase airflow
Cons
  • The listed 4-inch flange offers less inlet-size flexibility than multi-adapter filters.

Skip it if you need one filter to fit 3-, 3.5-, and 4-inch tubes; RYANSTAR AF014 lists three adapters.

A buyer with a compatible 4-inch intake and room for the tapered 5.5-inch filter gets a clearly sized high-flow replacement. Check the connection and surrounding clearance before choosing this single-flange configuration.

Full product details
BrandK&N
Included Components6" OD B X 5.5"H W/4", 3-1/2", 3"DIA FLG W/INVERTED FILTER TOP
Dimensions3.5"L x 4"W x 3"H
Item Weight0.3 kg
ManufacturerK&N Engineering
Part NumberRG-1001RD
Manufacturer Warranty DescriptionLIMITED WARRANTY
Model NumberRG-1001RD

Listed on Amazon as: K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium: Flange Diameter: 4 In, Filter Height: 5.5 In, Flange Length: 1.125 In, Shape: Round Tapered, RG-1001RD

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Rough Country Replacement Filter

#5

5. Rough Country Replacement Filter

Best for: Washable replacement-filter owners.

Why it ranks #5: Its 5-7/8-inch inlet and 8-3/8-inch tapered length suit a larger replacement setup, with washable multi-layer cotton media and a clamp included.

A 5-7/8-inch inlet paired with a washable, multi-layer cotton filter gives the Rough Country replacement a specific connection size and a reusable maintenance path. Its high-flow design is stated to enhance horsepower and throttle response, suiting owners refreshing a compatible cold-air intake rather than assembling a complete intake system.

The 5-7/8-inch inlet is the central fit specification, so buyers can compare it with their existing intake opening before installation. Its washable cotton layers and performance adhesive coating support repeated maintenance, while the stated filtration of dirt and debris addresses engine protection. Rough Country also lists a clamp with the replacement filter, supporting a clamp-on installation workflow. The 8-3/8-inch tapered length matters when checking space around the intake; the information does not provide a wider inlet-size range.

Pros
  • 5-7/8-inch inlet is clearly specified
  • Washable multi-layer cotton construction supports reuse
  • Performance adhesive coating is specified
  • Clamp is included with the replacement filter
Cons
  • The 5-7/8-inch inlet is a specific size rather than a multi-size adapter range.

Skip it if you need a 3-, 3.5-, or 4-inch inlet; RYANSTAR AF014 lists adapters for those tube sizes.

This suits an owner replacing a filter on a compatible 5-7/8-inch intake who wants washable media and an included clamp. Its specified inlet and 8-3/8-inch tapered length remain important installation boundaries.

Full product details
BrandRough Country
Included Components(1) Clamp, (1) Replacement Air Filter
ManufacturerRough Country
Part Number10551F
Manufacturer Warranty DescriptionLimited Lifetime
Model Number10551F
Additional InformationImportant Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Listed on Amazon as: Rough Country Cold Air Intake Replacement Filter, Premium Washable Clamp-On Air Filter – 5-7/8" Inlet, 8-3/8" Tapered Length

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Kyostar 6-Inch Filter

#6 · Tall 6-Inch Option

6. Kyostar 6-Inch Filter

  • Dimensions: 7"L x 6"W x 7"H
  • Dimensions: 7"L x 6"W x 7"H

Best for: Six-inch universal cone buyers.

Why it ranks #6: The listing specifies a 6-inch flange diameter and 7-inch filter height for buyers matching a larger tube and checking filter clearance.

A 6-inch flange and 7-inch filter height give the Kyostar cone a clearly defined size for a compatible intake opening. The listing identifies it as reusable, washable, high-flow, and clamp-on, combining a specified connection with a maintenance option for buyers seeking a replacement filter rather than an entire intake kit.

The 6-inch flange is the key compatibility measurement, while the 7-inch height helps buyers estimate clearance around the intake assembly. Its washable, reusable description supports cleaning rather than routine disposal, and the clamp-on format identifies the installation style. Kyostar labels the filter high-flow, tying the product to airflow-focused intake use. The supplied listing does not state filter media, cleaning steps, or included clamp hardware, so buyers can rely on its dimensions and stated format but not on those unprovided details.

Pros
  • 6-inch flange diameter is specified
  • 7-inch filter height supports clearance planning
  • Washable and reusable
  • Clamp-on high-flow cone format
Cons
  • The listing does not specify filter media or include clamp hardware.

Skip it if you need a smaller 3-, 3.5-, or 4-inch tube fit; TIEVISHO TI-OFI076-CB lists those inlet sizes.

This suits a buyer with a 6-inch intake connection seeking a washable clamp-on cone. The 7-inch height is a useful clearance boundary, and the listing leaves media details and clamp inclusion unspecified.

Full product details
BrandKyostar
Dimensions7"L x 6"W x 7"H
Manufacturerkyostar
Part NumberDKD2048BK
Model Number4174

Listed on Amazon as: Universal 6" 152mm High-Flow Air Filter, Reusable Cone Cold Air Intake, High Performance, Washable, Clamp-On Car High Flow Air Kit, Flange Diameter: 6 Inch, Filter Height: 7 Inch, Black

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RIAYOOE Three-Size Filter

#7

7. RIAYOOE Three-Size Filter

  • Dimensions: 5.9"L x 5.9"W x 9.4"H
  • Dimensions: 5.9"L x 5.9"W x 9.4"H

Best for: Three-size intake matching.

Why it ranks #7: Its title lists 3-, 3.5-, and 4-inch universal fit options and the listing identifies it as reusable and washable, though media details are limited.

Three inlet sizes in one filter—3, 3.5, and 4 inches—give the RIAYOOE cone a useful range for matching different intake tubes. Its listing also identifies the filter as reusable and washable, enabling routine cleaning instead of treating it as a disposable replacement, with universal-fit positioning for performance applications.

The stated 3-, 3.5-, and 4-inch sizing is the central fit advantage: buyers can choose among three listed tube diameters without relying on a single inlet specification. RIAYOOE calls the filter reusable and washable, supporting a clean-and-reuse maintenance routine. The 5.9-by-5.9-by-9.4-inch product dimensions help assess available space around a cone-shaped replacement. Easy installation is listed, though the supplied information does not explain included adapters or specify a cleaning process.

Pros
  • Three listed inlet sizes: 3, 3.5, and 4 inches
  • Reusable construction
  • Washable filter
  • Easy installation is listed
Cons
  • The listing does not specify included adapters or a cleaning procedure.

Skip it if you need a 6-inch inlet; TIEVISHO TI-OFI110-RD lists a 6-inch connection.

Choose this for an intake using one of its three stated tube sizes and a buyer comfortable maintaining a washable filter. The listed dimensions are worth checking against available space, since this cone is 9.4 inches tall.

Full product details
BrandRIAYOOE
Dimensions5.9"L x 5.9"W x 9.4"H
ManufacturerRIAYOOE
Part NumberXH-UN078-101-RD
Model NumberXH-UN078-101-RD

Listed on Amazon as: 3 3.5 4 inch Cold Air Intake Filter 76mm 89mm 101mm Performance Cone Air Filters Universal for Racing Sport Car 3 Sizes in 1, B-4in-Red (XH-UN078-101-RD)

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muge racing 6-Inch Filter

#8

8. muge racing 6-Inch Filter

  • Dimensions: 6"L x 6"W x 6"H
  • Dimensions: 6"L x 6"W x 6"H

Best for: Dry-filter maintenance routines.

Why it ranks #8: This 6-inch clamp-on cone uses three layers of mesh and is washable, but the listing describes it as a dry filter and gives no warranty.

A dry, three-layer mesh filter in a 6-inch cone gives the muge racing replacement a defined construction and connection size. Its washable, reusable format supports cleaning and reuse, while the listing specifically cautions against reinstalling it wet, making drying time part of the maintenance routine for this filter.

The 6-inch inlet identifies the intended intake connection, and the 6-inch-tall cone dimensions help buyers assess space around the assembly. Three mesh layers form a dry filter, while washable and reusable construction supports repeated maintenance. The manufacturer’s note says not to install the filter directly after cleaning because a wet filter affects filtration efficiency and may increase fuel consumption. That instruction makes complete drying a practical part of ownership, rather than an optional step for a quick reinstall.

Pros
  • 6-inch inlet is specified
  • Three layers of mesh
  • Dry-filter construction
  • Washable and reusable with a stated post-cleaning caution
Cons
  • The filter must dry fully after cleaning before reinstallation.

Skip it if you need a 3-, 3.5-, or 4-inch inlet; Rogierra XML-50991V covers those tube diameters.

This fits buyers seeking a washable dry filter for a compatible 6-inch intake and willing to allow drying after cleaning. Its 6-inch height and required dry-before-install routine are relevant fit and maintenance limits.

Full product details
Brandmuge racing
Included Componentsair filter
Dimensions6"L x 6"W x 6"H
Manufacturermuge racing
Part NumberMG-OFI113-RED
Manufacturer Warranty DescriptionNo
Model NumberMG-OFI113-RED

Listed on Amazon as: 6" Inlet Cold Air Intake Filter Cone Replacement Performance Washable Clamp-On Dry Air Filters Red (6" Tall)

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TIEVISHO 6-Inch Filter

#9

9. TIEVISHO 6-Inch Filter

  • Dimensions: 6"L x 6"W x 6.69"H
  • Dimensions: 6"L x 6"W x 6.69"H

Best for: Six-inch inlet filter replacement.

Why it ranks #9: It specifies a 6-inch inlet and 170 mm height with washable, oil-coated synthetic media, but its stated warranty is three months.

A 6-inch inlet and 170mm height define this TIEVISHO cone for buyers replacing a large-opening intake filter. Its honeycomb-reinforced sponge top and three-layer synthetic non-woven sides specify different media construction across the filter, while washable, oil-coated synthetic material supports a reusable maintenance routine.

The 152mm, or 6-inch, inlet establishes the connection size, and the listed 170mm height helps buyers judge the space available for the replacement. A honeycomb-reinforced sponge top pairs with three layers of synthetic non-woven fabric at the sides, while steel mesh and polyurethane are also specified. The washable, oil-coated media supports cleaning and reuse. These construction details and the stated high-flow design relate to airflow, but the listed inlet remains a single size rather than a multi-size fit range.

Pros
  • 6-inch/152mm inlet is specified
  • 170mm height helps assess clearance
  • Honeycomb-reinforced sponge top
  • Washable, oil-coated synthetic media with three-layer sides
Cons
  • Its listed 6-inch inlet is a single connection size.

Skip it if you need a filter for 3-, 3.5-, or 4-inch tubing; Rogierra XML-50991V lists those sizes.

This filter fits the use case of a buyer replacing a 6-inch-inlet cone who values washable layered media. Its 170mm height and single listed inlet size are the practical clearance and compatibility boundaries.

Full product details
BrandTIEVISHO
Included Components6" 152mm Inlet Cold Air Intake Filter x 1
Dimensions6"L x 6"W x 6.69"H
ManufacturerTIEVISHO
Part NumberTI-OFI110-RD
Manufacturer Warranty Description3 months
Model NumberTI-OFI110-RD

Listed on Amazon as: 6" 152mm Inlet Cold Air Intake Filter High Flow Honeycomb Top Replacement Clamp-On Air Filter High Performance Washable Cone Filter 170mm Tall Red

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LOYALGLORY 24-91064 Filter

#10

10. LOYALGLORY 24-91064 Filter

Best for: Buyers matching listed filter dimensions.

Why it ranks #10: The listing gives a 5-inch flange and overall shape dimensions, but offers little information about media, reuse, fit range, or included fitment parts.

The LOYALGLORY listing provides a 5-inch flange and a 7-inch height, giving buyers concrete dimensions to compare against an existing intake filter. Its title also specifies distinct base and top measurements, helping shoppers assess the shape and space requirements before selecting this replacement for a compatible cold-air intake.

A 5-inch flange is the main connection dimension supplied, while the 7-inch height and stated 9-by-71⁄2-inch base and 63⁄4-by-51⁄2-inch top describe the filter’s overall envelope. Together, those measurements support a practical comparison with an existing assembly and its available clearance. The listing identifies the item as an intake filter, but supplies no stated washability, media material, or performance claim. Buyers should therefore base the decision on the listed dimensions rather than assuming a particular maintenance workflow.

Pros
  • 5-inch flange dimension is listed
  • 7-inch filter height is specified
  • Base dimensions are provided as 9 by 71⁄2 inches
  • Top dimensions are provided as 63⁄4 by 51⁄2 inches
Cons
  • The supplied listing gives no filter-media or washability details.

Skip it if you want explicitly washable media; Rough Country 10551F lists a washable, multi-layer cotton filter.

This is for buyers matching a replacement by the listed 5-inch flange and overall dimensions. The supplied information supports a dimensional comparison, but does not establish media type, cleaning instructions, or a specific performance benefit.

Full product details
BrandLOYALGLORY
Item Weight‎2.01 pounds
Manufacturer‎LOYALGLORY
Part Number‎CF-EXC-0001
Package Dimensions‎9.33 x 9.17 x 7.48 inches

Listed on Amazon as: Cold Air Intake Filter 24-91064, Air Intake Filter 5 IN F x (9×7-1/2) IN B x (6-3/4×5-1/2) IN T x 7 IN H Intake Filter

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Avoiding intake fitment and clearance mistakes

Measure the intake tube’s outside diameter and check available clearance before choosing a clamp-on filter. A listed inlet size is not the same as proof that the whole filter will fit behind a headlight, inside an engine bay, or under a hood. The K&N RG-1001RD Filter gives a 4-inch flange and 5.5-inch filter height, while the Kyostar 6-Inch Filter lists a 6-inch flange and 7-inch height.

The Rough Country Replacement Filter specifies a 5-7/8-inch inlet and 8-3/8-inch tapered length. Those figures show why checking only the inlet can miss a length or height conflict.

Multi-size listings also need scrutiny: the RYANSTAR Universal Filter names adapters for 4.02-, 3.5-, and 3.02-inch tubes, while its title rounds the sizes to 4, 3.5, and 3 inches. Verify the actual tube and the seller’s detailed dimensions before purchase.

Washable media needs the right maintenance

A washable filter is reusable only when it is cleaned and prepared according to its specific media instructions. These listings describe different constructions, not one interchangeable care method: the Rough Country Replacement Filter identifies multi-layer cotton with a performance adhesive coating; the TIEVISHO Three-Size Filter lists washable, oiled synthetic media; and the muge racing 6-Inch Filter is described as a dry, three-layer mesh filter. Do not assume that a dry filter should be oiled, or that an oiled filter should be installed immediately after washing.

The muge racing listing specifically warns against installing it wet, noting that a wet filter can affect filtration efficiency and may increase engine fuel consumption. Follow the maker’s cleaning and drying directions for the exact product.

If those directions are not supplied in the listing, confirm them before relying on a cleaning method intended for a different filter material.

How to Choose a Cold Air Intake Filter

Inlet diameter and size range

Look first for an inlet size that matches your intake tube, rather than assuming a universal label guarantees fit. The Rogierra Clamp-On Air Filter and TIEVISHO Three-Size Filter list 3-, 3.5-, and 4-inch options; the RYANSTAR Universal Filter lists adapters for 3.02-, 3.5-, and 4.02-inch tubes. For larger tubing, the Kyostar 6-Inch Filter specifies a 6-inch flange, while the Rough Country Replacement Filter lists a 5-7/8-inch inlet.

Buyers unsure which of three common sizes they have may prefer a multi-size listing, but should confirm included adapters and exact measurements. Those with a measured large tube should favour a single-inlet filter that matches it.

Filter height and available space

Compare filter height and tapered length with the clearance around your intake before choosing a cone. The K&N RG-1001RD Filter lists a 5.5-inch filter height, the Kyostar 6-Inch Filter lists 7 inches, and the Rough Country Replacement Filter lists an 8-3/8-inch tapered length. The TIEVISHO 6-Inch Filter gives a 170 mm height.

These measurements are not all reported in the same format, so check the product drawing and the vehicle’s available space rather than treating the numbers as directly interchangeable. Buyers with tight clearance should favour options with documented dimensions that fit their measured space; a larger filter may suit an open installation only when there is room for its body and clamp.

Media construction and care

Choose media based on its stated construction and maintenance instructions, not a generic washable label. The Rough Country Replacement Filter specifies washable, multi-layer cotton with performance adhesive coating; the TIEVISHO Three-Size Filter describes deep-pleated oiled synthetic media; and the muge racing 6-Inch Filter identifies a dry, three-layer mesh design. The Rogierra Clamp-On Air Filter is listed as pre-oiled and washable.

Buyers seeking a particular media type should favour the listing that explicitly names it, while anyone who wants a dry filter should distinguish the muge racing option from oiled designs. Check care directions before cleaning or reinstalling, since the supplied product information does not give a universal maintenance schedule or make these media types interchangeable.

Which Cold Air Intake Filter Should You Choose?

For a common 3-, 3.5-, or 4-inch tube, choose the Rogierra Clamp-On Air Filter for its stated three-size fit range and washable, pre-oiled design. Prefer the TIEVISHO Three-Size Filter if its listed oiled synthetic media and steel mesh match your preference, or the RYANSTAR Universal Filter if its three listed adapters suit your measured tube. For a specified 4-inch flange and stated height, consider the K&N RG-1001RD Filter.

Larger installations should start with the measured inlet: the Kyostar 6-Inch Filter lists a 6-inch flange and 7-inch height, while the Rough Country Replacement Filter lists a 5-7/8-inch inlet. Check clearance and detailed fitment before ordering.

The LOYALGLORY 24-91064 Filter ranks last because its listing provides less usable fit and media information.

Frequently Asked Questions

How do I measure an intake tube to choose the correct filter inlet size?

Measure the tube’s outside diameter where the filter will clamp on, using a ruler or caliper for accuracy. Compare that measurement with the filter’s stated inlet size and fit range. For a tube near a listed size, verify the manufacturer’s fitment details rather than assuming the clamp will accommodate it.

Can an aftermarket clamp-on filter fit inside my vehicle’s existing intake housing?

It may fit, but the inlet size alone cannot confirm clearance inside an existing housing. Compare the filter’s full dimensions with the available space and check whether the housing allows the filter to attach and sit securely. Some listings provide limited dimensions, so confirm fitment before ordering.

How often should I clean and re-oil a washable intake filter?

Follow the filter maker’s cleaning and re-oiling instructions; the product information here does not specify a service interval. Inspect the filter periodically and clean it when its condition or the maker’s guidance calls for it. Use the recommended procedure and oil only if the filter is designed to be oiled.

What should I check before choosing a 6-inch filter?

Measure the intake inlet and available installation space before choosing. Listed options include filters with a 6-inch inlet or flange, while the Rough Country replacement lists a 5-7/8-inch inlet. Check each product’s stated dimensions and fitment carefully; a nominally similar size does not guarantee a match.

What should I do when a filter listing gives limited fitment details?

Treat the fit as unconfirmed until you can compare the filter’s inlet and full dimensions with your setup. The LOYALGLORY listing provides less usable fit and media information than the other picks, so seek additional product details or choose an option with dimensions that match your measured tube and available clearance.

Final Words

For a measured 3-, 3.5-, or 4-inch tube, the Rogierra is the clearest choice among these picks because its listing states that range and describes a washable, pre-oiled filter. Choose another listed size when your inlet calls for it, and verify clearance as well as diameter. If fit or media details are missing, confirm them before ordering rather than relying on a broad universal-fit label.

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