Injen 8-Layer Oiled Cotton Gauze Air Filter w/ Twist Lock - 4in ID / 6in Base / 7.75in H - X-1134-BR fits_2003-2008`Audi`S4 Made of 3" mandrel-bent

Made of 3" mandrel-bent

Our design incorporates a valved X-pipe with an integrated muffler to bring balance and tone

The Corsa Performance S650 Ford Mustang GT Matte carbon fiber air intake duct upgrade kit is the perfect way to upgrade the performance and styling of your S650

Crafted with precision using 3K twill weave carbon fiber and 100% true vacuum technology this carbon fiber splitter set guarantees ultimate lightness durability and a perfect fit

100% full load burn-in test

Injen 8-Layer Oiled Cotton Gauze Air Filter w/ Twist Lock - 4in ID / 6in Base / 7.75in H - X-1134-BR fits_2003-2008`Audi`S4 Made of 3" mandrel-bentWith 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 of Injen's 8 layer cotton gauze oiled air filters feature a tightly layered media that is specified for our use, along with a proprietary filter oil that includes highly advanced tackifiers to stop as