IE Cat Back Exhaust Audi S4 B9 3.0TFSI mk7a3 and installation procedures

and installation procedures

construction type

B8 Audi S5 4

Dynamic sweeping feature

5+ Jetta and GLI 1

IE Cat Back Exhaust Audi S4 B9 3.0TFSI mk7a3 and installation proceduresThe 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