Epic fail.
B6/b7 s4’s sound unreal with an exhaust. APR did a prototype one a few years ago that was crazy loud. Im trying to convince my uncle to get one for his b6 s4 vert
Epic fail.
B6/b7 s4’s sound unreal with an exhaust. APR did a prototype one a few years ago that was crazy loud. Im trying to convince my uncle to get one for his b6 s4 vert