Audi RS4 B7 8E 4.2 V8 Milltek Sport downpipe, decat or sports cat

Direct-fit Milltek Sport downpipe for the Audi RS4 B7 (8E) 4.2L V8 - saloon, Avant and Cabriolet (2006-2008). No cutting, no welding, no guesswork.

• UK-made 304 stainless steel, TIG welded for strength and flow
• Choose decat for track day or fast road use, or sports cat for emissions-compliant daily driving
• Improves throttle response, mid-range pull and exhaust tone - measurable gains, not marketing claims
• Fits factory turbo outlet and mid-pipe; retains OEM mounting points