CTS Turbo Decat B9 Audi S4/S5 3.0T (EA839) 2018+ lowering prings this same spec has been

this same spec has been tested @ 300 bhp and consistently provides cooling for 400 bhp cars

Downpipe Kit without precatalyst converter and optional with 2x 200CPSI Racing catalyst for Audi TTRS 8S and RS3 8V Faceliftmade out of high quality stainless steel cast 1

Renault Megane RS250/265 De-Cat Downpipe Scorpion Exhaust - SRNC022

The grille is manufactured from ABS plastic

With the valves closed

CTS Turbo Decat B9 Audi S4/S5 3.0T (EA839) 2018+ lowering prings this same spec has beenCTS Turbo B9 S4 S5 3. 0T (EA839) cat delete test pipe 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 latest in CAD technology; this part is made to fit perfectly in place of restrictive factory catalytic converter. Manufactured from T304 stainless steel, hand TIG welded and back purged to ensure years of reliable performance.