Collection: K&N
K&N Engineering has been the leader in high-flow air filtration since 1969, built on the simple principle that more airflow equals more power. Their washable and reusable cotton gauze air filters outflow paper OEM filters while providing superior filtration — and unlike disposable filters, a K&N filter is designed to last the lifetime of your vehicle. Beyond their iconic drop-in replacement filters, K&N offers complete cold air intake systems engineered to maximize airflow from the intake tract all the way to the throttle body, delivering measurable gains in horsepower and throttle response. Every K&N intake system is dyno-tested on the specific vehicle application and backed by their million-mile limited warranty.
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K&N Custom XD Air Filter - Round 14in OD x 5in H
Regular price $199.99 USDRegular priceSale price $199.99 USD -
K&N Custom Air Filter - Round 6.25in OD 5.25in ID 4in H
Regular price $68.99 USDRegular priceSale price $68.99 USD -
K&N Custom Air Filter Cotton Guaze 14inOD x 12 1/4inID x 2inH
Regular price $83.99 USDRegular priceSale price $83.99 USD -
K&N Custom Air Filter Round 1.063in ID x 2in OD x 1.063in Height
Regular price $57.99 USDRegular priceSale price $57.99 USD -
K&N Custom Air Filter - Round 6.25in OD 5.25in ID 3.25in H
Regular price $83.99 USDRegular priceSale price $83.99 USD -
K&N Custom Filter Oval Length 6.125in I/S /7in O/S x Width 3.625in I/S/ 4.5in O/S x Height 1.75in
Regular price $57.99 USDRegular priceSale price $57.99 USD -
K&N Custom Air Filter Round 5.25 inch ID 6.25 inch OD 2.5 inch Height
Regular price $52.99 USDRegular priceSale price $52.99 USD -
K&N Dominator Drag Race Assy 9inOD x 5inH
Regular price $251.99 USDRegular priceSale price $251.99 USD -
K&N Dominator Drag Race Assy 9inOD X 3inH
Regular price $235.19 USDRegular priceSale price $235.19 USD -
K&N Custom Oval Race Filter 5-1/8in FLG / 9in OD x 3-3/8in HW/VENT
Regular price $157.99 USDRegular priceSale price $157.99 USD -
K&N Custom Round Filter 5-1/8in FLG / 11in Dia / 4-3/4in H w/VENT
Regular price $146.99 USDRegular priceSale price $146.99 USD -
K&N Custom Round Filter 5-1/8in FLG / 11in Dia / 6-1/4in H
Regular price $157.99 USDRegular priceSale price $157.99 USD -
K&N Custom Racing Assembly - SDR 6 Dia Stromberg 150 w/Vent
Regular price $146.99 USDRegular priceSale price $146.99 USD -
K&N Custom Racing Assembly Bolt On Oval 6-8 Air Filter 2.188in Height 5.125 ID 3.156in Flange
Regular price $125.99 USDRegular priceSale price $125.99 USD -
K&N Custom Racing Air Filter Bolt-On for Single or Two Barrel Carburetors
Regular price $125.99 USDRegular priceSale price $125.99 USD -
K&N Custom Racing Filter Assembly - Cotton Gauze - 1.75 in Height
Regular price $125.99 USDRegular priceSale price $125.99 USD -
K&N Custom Racing Assembly - Airbox - Universal Blank - Black - 100mm
Regular price $157.99 USDRegular priceSale price $157.99 USD -
K&N Custom Oval Racing Assembly Red 11.96in Inside Length / 5.22in Inside Width / 3.25in Filter H
Regular price $262.99 USDRegular priceSale price $262.99 USD -
K&N Custom Round Racing Assembly Red 5.875in OD x1.313in ID x 1.813in Height
Regular price $119.99 USDRegular priceSale price $119.99 USD -
K&N Custom Oval Red Race Filter 7in L x 4-1/2in W 3-1/4in H
Regular price $125.99 USDRegular priceSale price $125.99 USD -
K&N Conical Axial Seal 11-15/16in TP 10-9/16in BOD 27-5/8in H Standard Replacement Air Filter - HDT
Regular price $9,999.00 USDRegular priceSale price $9,999.00 USDSold out -
K&N Custom Racing Assembly DDO 8-7/8x5-1/4in Oval 3-1/2in Height Vent
Regular price $139.99 USDRegular priceSale price $139.99 USD -
K&N Custom Racing Assembly Generation 2 Carbon Fiber Air Box - Large w/ 2.50in Air Horn
Regular price $944.99 USDRegular priceSale price $944.99 USD -
K&N Custom Racing Assembly - Carbon Fiber - 45in L x 12in H
Regular price $1,469.99 USDRegular priceSale price $1,469.99 USD -
K&N Drycharger Air Filter Wrap 8-3/4in X 10-1/4in X 3in Black
Regular price $52.99 USDRegular priceSale price $52.99 USD -
K&N Custom Racing Assembly Generation 2 Carbon Fiber Air Box - Large w/ 2.75in Air Horn
Regular price $944.99 USDRegular priceSale price $944.99 USD -
K&N Custom Racing Assembly Carbon Fiber 4in Air Box w/ Base and Hardware - Large
Regular price $944.99 USDRegular priceSale price $944.99 USD -
K&N Custom Racing Assembly Carbon Fiber Air Box - Large
Regular price $944.99 USDRegular priceSale price $944.99 USD -
K&N Custom Racing Assembly 19in x 6.5in Carbon Fiber Air Filter
Regular price $899.99 USDRegular priceSale price $899.99 USD -
K&N Custom Racing Assembly Carbon Fiber Air Box w/o Base - Large
Regular price $682.99 USDRegular priceSale price $682.99 USD -
K&N Custom Air Filter Round 5-7/8in OD x 4-7/8in ID x 1.4/5in H
Regular price $57.99 USDRegular priceSale price $57.99 USD -
K&N BMW X5/X5 M/X6/X6 M Cabin Air Filter
Regular price $67.19 USDRegular priceSale price $67.19 USD -
K&N BMW X1 L4-2.0L F/I Cabin Air Filter (2 Per Box)
Regular price $67.19 USDRegular priceSale price $67.19 USD -
K&N Drycharger Air Filter Wrap Round Tapered Black 5.375in Base ID x 4.375in Top ID x 7 H
Regular price $31.99 USDRegular priceSale price $31.99 USD -
K&N Cone Filter 5in ID 6.5in base 4.5in top 5.625in height carbon fiber look
Regular price $75.99 USDRegular priceSale price $75.99 USD -
K&N Drycharger Air Filter Wrap Black Custom
Regular price $31.99 USDRegular priceSale price $31.99 USD