K&N Filter Universal Rubber Filter 2.75in Flange 4.75in Base 4in Top 8in Height - RU-5144

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the...

BD Diesel Crank Case Vent Filter Kit - 1999-2003 Ford 7.3L - 1032170

BDs new Crank Case Vent Filter Kit for Ford 6.0 and 7.3-liter Power Stroke applications reduces crankcase oil vapor that passes through the crankcase vent and contaminates the intake system. Oil Vapor residue reduces turbocharger and intercooler...

Vibrant 8.75in Inlet I.D. x 8.50in Height Bellmouth Velocity Stack Classiic Performance Air Filter - 10962

Vibrant Performance Aluminum Bellmouth Air Filters feature a 4ply pleated cotton-gauze elements that allows for significantly more airflow than a stock filter while providing excellent filtration of airborne particulate. Each filter is pre-oiled,...

aFe Magnum FLOW PRO GUARD 7 Air Filter 5in Flange x 6-1/2in Base x 5-1/2in T (Inv) x 9in H (IM) - 72-91039

With five layers of progressively finer mesh cotton gauze media and two layers of synthetic media and a 100% polyurethane top and base, this high flow "oiled" conical inverted top performance filter provides excellent airflow for maximum horsepower and...

aFe MagnumFLOW Pro 5R Air Filter (6-3/4 x 4-3/4)in F x (8-1/2 x 6-1/2)in B x (7-1/4 x 5)in T - 20-91206R

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 levels even when dirty, while its inverted top makes for more filter surface area, resulting in...

K&N Universal Rubber Filter 0.75in FLG 4.0625in OD 2.1875in Height - RU-4480

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the...

K&N Custom Air Filter - Oval - 11.5in O/S L x 8.125in O/S W x 2in H - E-3505

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

aFe MagnumFLOW Air Filter - Pro 5R 2.5 Inlet x 4.5in B x 4.5in T x 7in H (Inv) - 24-91151

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 levels even when dirty. This media is perfect for street and/or track use. Pro 5R filters are...

Spectre Adjustable Conical Air Filter 5-1/2in. Tall (Fits 3in. / 3-1/2in. / 4in. Tubes) - White - 8138

For many types of applications, Spectre offers this High Performance Racing (HPR) Air Filter. This white media clamp-on filter features a top that houses an inverted cone filter for improved service life and even more enhanced flow potential. Included...

K&N Drycharger Round Tapered Red Air Filter Wrap - RF-1042DR

The K&N Drycharger is a silicone treated, polyester wrap that is made to cover K&N Air Filters or Personal Watercraft Flame Arrestors. These Drychargers, which are similar to the K&N Prechargers, contain uniform micron sized openings that allow high air...

K&N Custom Air Filter Cotton Guaze 14inOD x 12 1/4inID x 2inH - E-3032R

This K&N racing air filter is made with 2 layers of cotton and does not come oiled. It was designed to provide even lower air restriction than our replacement air filters for street vehicles. K&N racing air filters are washable and reusable and come with...

aFe MagnumFLOW Pro Dry S Air Filters 4F x (9x6-1/2)B x (6-3/4x5-1/2)T (INV) x 6-1/8 H in - 21-91074

With three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, this high flow, "oil-free" conical performance filter provides maximum convenience and easy maintenance with excellent airflow. Washable and reusable...