Momentum’s innovative filter-to-housing interface was built to feature the largest air filter possible. This 7.5” tall 360-degree radial flow air filter features a 3.5" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton...

Momentum’s unique filter-to-housing interface was built to feature the largest air filter possible. This 9” tall 360-degree radial flow air filter features a 3.5" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum...

Momentum’s unique filter-to-housing interface was built to feature the largest air filter possible. This 9” tall 360-degree radial flow air filter features a 5" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum...

This 7-1/2” tall 360-degree radial flow air filter features a 3-1/2” round flange and our oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum airflow and performance. This media is best suited for street and track...

This 7-1/2” tall 360-degree radial flow air filter features a 3-1/2” round flange and our oiled Black Pro 5R media with five layers of progressively finer cotton gauze media for maximum airflow and performance. This media is best suited for street and...

This 7-1/2” tall 360-degree radial flow air filter features a 3-1/2” round flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provides great filtration efficiency and dust...

Large Five Layer Performance Air Filter: Momentum's innovative filter-to-housing interface was built to feature the largest air filter possible. This 7-1/2 IN tall 360-degree radial flow air filter features a 3-1/2" flange and our pre-oiled Pro 5R media...

Large Three Layer Performance Air Filter: Momentum's unique filter-to-housing interface was built to feature the largest air filter possible. This 7-1/2 IN tall 360-degree radial flow air filter features a 3-1/2" flange and our oil-free Pro DRY S media...

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...

This 7” tall 360-degree radial flow air filter features a 4” oval flange and our oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum airflow and performance. This media is best suited for street and track use. The...

This 7” tall 360-degree radial flow air filter features a 3-1/2" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provides great filtration efficiency and dust holding...

This 7” tall 360-degree radial flow air filter features a 4” oval flange and our oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum airflow and performance. This media is best suited for street and track use. The...

This 7” tall 360-degree radial flow air filter features a 4” flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provides great filtration efficiency and dust holding capacity,...

Large Five Layer Performance Air Filter:This 7” tall 360-degree radial flow air filter features a 3-1/2" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance. It provides your engine...

Large Three Layer Performance Air Filter: This 7” tall 360-degree radial flow air filter features a 3-1/2" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provides great...

Large Five Layer Performance Air Filter: This 360-degree radial flow air filter features a 3-1/2" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance. It provides your engine with the...

Large Three Layer Performance Air Filter: This 360-degree radial flow air filter features a 3-1/2" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provides great filtration...

This cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability.Finishing off this exhaust system are dual 4 IN diameter black 304 stainless steel exhaust tips...

aFe is proud to introduce an all new Takeda dual cat-back exhaust system for the 2015-2020 Subaru WRX and WRX STI with the H4-2.0L/2.5L (t) engines. This performance cat-back exhaust system is constructed out of 3" into dual 2-1/4" mandrel-bent 304...

This Takeda dual cat-back exhaust system for the 2015 - 2020 Subaru WRX and WRX STI delivers true bolt-on performance with gains up to +14 horsepower and +22 lbs. x ft. of torque as measured on our in-house dyno. 3" into 2-1/4" mandrel-bent 304 stainless...