Borla CrateMuffler SBC Hot 350/383 2.5 inch Offset/Center 14in x 4.35in x 9in Oval Atak Muffler turn14-atp Universal Low Impedance 14mm upper

Universal Low Impedance 14mm upper Matched set of 8 injector 1800cc/min

For 2010-2012 B8 S4s with Audi Drive Select

the resonator design is also providing a 100% straight through

It fits both the coupe and convertible models

Borla CrateMuffler SBC Hot 350/383 2.5 inch Offset/Center 14in x 4.35in x 9in Oval Atak Muffler turn14-atp Universal Low Impedance 14mm upperManufacturer Part # : 400820 Market Description BORLA(r)'s CrateMuffler(r) is the world's first muffler purpose built to optimize the sound & power of crate and custom built motors. The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. This muffler is tuned for the Chevrolet Small Block 350 383 406 engine family. The directional design provides the aggressive ATAK(r) sound and will dramatically