Valvetronic Audi B8, B8.5 S4, S5 3.0, 4.2L Catback T304 SS 3.5" Tips AUD.B8.S4.VSES.BR.BRSH 1995-1997 Pontiac Firebird The system is mandrel-bent for

The system is mandrel-bent for smooth exhaust flow

The Stage 6 package includes a billet input shaft for increased reliability when towing heavy loads

the other guys claim big numbers and we call bulls-t

Rear block and U-bolt kit levels the truck front to rear

Valvetronic Audi B8, B8.5 S4, S5 3.0, 4.2L Catback T304 SS 3.5" Tips AUD.B8.S4.VSES.BR.BRSH 1995-1997 Pontiac Firebird The system is mandrel-bent forValvetronic Designs Audi B8, B8. 5 S4, S5 3. 0, 4. 2L Catback T304 Stainless Steel 3. 5" Outlet Tips AUD. B8. S4. VSES. AG. BRSH 2010 2017 T304 stainless steel for long term durability and corrosion resistance 2. 5" tubing from front to tips. Vacuum Valve Control: Allows on demand sound control from the included key fob remote. 12. 3 lb lighter than the factory exhaust. Paired With Single Wall Brushed Tips Our Valvetronic Designs Valved Exhaust System