Quick view 034 Motosport Stainless Steel Racing Catalyst, B9 Audi S4/S5 MSRP: Was: Now: $2,575.00 Add to Cart Compare
Quick view AWE Performance Catalyst for Audi B9 S4 / S5 3.0T (HJS 200 Cell) MSRP: Was: Now: $2,495.00 Add to Cart Compare
Quick view CTS Turbo 2018+ B9 Audi S4/S5 V6T 3.0T (EA839) HIGH-FLOW CAT MSRP: Was: Now: $970.00 Add to Cart Compare
Quick view 034 Motosport Stainless Steel Racing Catalyst, B9 Audi S4/S5 The 034Motorsport Stainless Steel Racing Catalyst for B9 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst offers increased horsepower and torque throughout the powerband,... MSRP: Was: Now: $2,575.00 Add to Cart Compare
Quick view AWE Performance Catalyst for Audi B9 S4 / S5 3.0T (HJS 200 Cell) Performance Catalyst features a precision CNC-machined billet T304 stainless steel flange, and 145mm 200CPSI EURO6 HJS HD catalyst with tri-lobe core Proudly engineered, designed, and manufactured in-house at AWE, in the USA Handcrafted from dual 2... MSRP: Was: Now: $2,495.00 Add to Cart Compare
Quick view CTS Turbo 2018+ B9 Audi S4/S5 V6T 3.0T (EA839) HIGH-FLOW CAT Description 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 parts – unleash your B9 S4/S5 3.0T potential! Designed using the... MSRP: Was: Now: $970.00 Add to Cart Compare
