IE Catback Exhaust System For Audi B9/B9.5 S4 Adapter Fittings This charge pipe upgrade Kit

This charge pipe upgrade Kit for 2

Use the cruise control stalk to run the radiator fans and coolant pump at full power to rapidly cool supercharger and intake air temperatures and recover power

other assembly lubricants

Large 3" piping to 2

and extend ring life

IE Catback Exhaust System For Audi B9/B9.5 S4 Adapter Fittings This charge pipe upgrade KitThe IE Catback Exhaust System for your Audi B9 B9. 5 S4 incorporates our in house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting edge design features, including mandrel bent stainless steel, TIG welding, multi point reinforcements, and oversized quad tips. Experience the elevated and enriched sound your S4 deserves. NO CHECK ENGINE LIGHT CEL FREE WITH STOCK