Produktinformationen "Milltek SSXAU634 Large-bore Downpipes and Cat Bypass Pipes - Audi S6 4.0 TFSI C7 quattro (2012 - 20"
Larger-bore 76mm Downpipes with cat bypass pipes for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Requires Lambda extensions leads. Must be fitted with the OE cat-back system and requires a stage 2 ECU remap.