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Introducing our replacement filters tailored for the ETS Focus RS Intake Kit. These filters are crafted with oiled-cloth material, offering reusability and exceptional performance...
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Select your intake configuration above from either Speed Density or Stock MAF to select the correct replacement filter for your 04-21 STI Turbo Kit Intake.
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Pro DRY S Filter Media:This filter features three layers of oil-free synthetic media and requires no oil during maintenance to provide maximum convenience. Its...
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Filter Dimensions: (6.5" outer base, 5" ID, 4" height) AEM Dryflow Air Filters are washable synthetic air filters designed for an optimum combination of air...
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
This filter features five layers of pre-oiled cotton gauze media to provide maximum performance. Its progressive layering allows the filter to flow at high...
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Pro-GUARD 7 Filter Media:This filter features seven layers of hybrid media for maximum protection. The patented combination of oiled cotton gauze with synthetic material...
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Filter Dimensions: (6x4)F x (8-1/4x6-1/4)B (Mtm2) x (7-1/4x5)T (Inv) x 9H IN With five layers of progressively finer mesh cotton gauze media and two layers...
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Filter Dimensions: 3-1/4Fx(9x6-1/2)Bx(6-3/4x5-1/2)Tx5-3/8H in With five layers of progressively finer mesh cotton gauze media and two layers of synthetic media and a 100% polyurethane...
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Pro-GUARD 7 Filter Media:This filter features seven layers of hybrid media for maximum protection. The patented combination of oiled cotton gauze with synthetic material...
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Pro-GUARD 7 Filter Media:This filter features seven layers of hybrid media for maximum protection. The patented combination of oiled cotton gauze with synthetic material...
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Filter Dimensions: 4-1/2F x (11x6-1/2)B x (8-1/2x4)T x 7-1/2H IN With five layers of progressive cotton gauze media and two layers of synthetic media between...
Air InductionAllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Pro-GUARD 7 Filter Media:This filter features seven layers of hybrid media for maximum protection. The patented combination of oiled cotton gauze with synthetic material...
AllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow stock paper filter for improved horsepower...
AllBest selling productsCommerceinstruments Best Selling ProductsDrop In Air FilterNew productsReplacement Air Filters
Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow stock paper filter for improved horsepower...
All products sold by Patterson Performance Parts, LLC are intended for off-road and/or competition use only. By purchasing aftermarket products from us, having us install the products, or both, the customer takes full responsibility for any use, and/or misuse of the product; and agrees that Patterson Performance Parts holds no responsibility for any consequences, legal, or other, of such use and/or misuse.
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