The CTS Turbo decat downpipe for Audi S4 / S5 B9 is a direct replacement for the OEM catalyst. In addition to unleashing the power and performance of your 3.0 TFSI, this handmade test pipe will make your car sounds like the supercar it really should !
Highlights
Direct bolt on High flow design for great performance 100% T303 stainless steel TIG hand welding job Agressive tone Hardware included Made in Canada
Engine
