Exhaust

This Sport version of the Catback is the more aggressive of the two systems offered by B&B however don???t let that fool you. With B&B??'s proprietary Purge Resonance Technology (PRT) design muffler you still have an ear pleasing tone at low rpm...

B&B Sport Catback Exhaust System Audi S5 4.2L V8 08+Each Billy Boat Performance Exhaust system incorporates 3 generations of fabrication skill and racing talent. Every system starts with T-304 stainless steel, known throughout the industry as the...