Produktinformationen "Milltek SSXAU554 Large Bore Downpipes and Hi-Flow Sports Cats - Audi S7 Sportback 4.0 TFSI quattro"
Larger-bore 76mm Downpipes with 100-cell hi-flow sports catalysts for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Requires Lambda extensions leads. Must be fitted with the Milltek Sport cat-back system and requires a stage 2 ECU remap.