Exhaust
Catalytic Converter
Features a 2.50" aircraft grade stainless steel tubing that, also includes a 200 cell high flow catalytic converter that connects directly t...
$2,473.00
CTS Turbo B9 S4/S5 3.0T (EA839) high flow cat is made to maximize exhaust flow for highest power gains. Do not compromise performance and sound with factory par...
$699.99
Downpipe Kit with 300CPSI Racing catalyst for Audi S4 B9 / S5 F5 3,0TFSI
made out of high quality stainless steel 1.4301 (SS304)
complete 2x Ø3 and a...
$2,290.00
The 034Motorsport Stainless Steel Racing Catalyst for B9 S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainle...
$1,758.00
The Unitronic Performance Downpipe for the 2017+ S4® & S5® 3.0TFSI® EA839 (CWG) engine is a direct bolt-on upgrade, designed to optimally elimin...
$2,399.99