Injen Performance Air Filter 14in Round x 3in Tall - 1in Pleats - X-1090-BR fits_2003-2008`Audi`S4 and produce increased power figures

and produce increased power figures without the need for a full aftermarket intake system

5” slash-cut

When pairing AWE Mid-Pipes to the SwitchPath™ or Track Edition Exhausts

FRONT REAR SPRING RATES 7k 8k UPPER MOUNT Rubber OR Pillowball w/ Camber Plates Aluminum w/ Hardened Rubber Bushings STRUT DESIGN Inverted Standard

boasting an 88-percent increase in core size

Injen Performance Air Filter 14in Round x 3in Tall - 1in Pleats - X-1090-BR fits_2003-2008`Audi`S4 and produce increased power figuresWith 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