Injen AMSOIL Ea Nanofiber Dry Air Filter - 4.50 Filter 6.75 Base / 5 Tall / 5 Top - X-1018-BB fits_2002-2008`Audi`A4 The exhaust is tailored to

The exhaust is tailored to control the gas flow from the engine and provide a perfect sound: a V8 throb at low revs

Blow molded case included

raising pitch and cleaning up the frequency content for a distinctly exotic signature

Large 3-Layer Performance Air Filte r: This Momentum GT intake system was designed around the largest filter possible to allow maximum performance and filtration

It weighs only 360 grams per set

Injen AMSOIL Ea Nanofiber Dry Air Filter - 4.50 Filter 6.75 Base / 5 Tall / 5 Top - X-1018-BB fits_2002-2008`Audi`A4 The exhaust is tailored toWith a rich history in racing and the street performance, Injen Technology has proven itself as a leader in filtration engineering and technology. Lab tested and race proven, Injen's air filter line features state of the art designs and performance. All SuperNano Web air filters feature a proprietary media that includes and high flow base media with a highly efficient Nano membrane applied on top. This allows our SuperNano Web media to flow the