Audi 4.0T Catless Downpipe - C7 S6, S7, RS7 & D4 A8, S8 - ARM Motorsports wrangler Slightly increased induction sound

Slightly increased induction sound

Please use care to not over tighten the cap

the ARM N63 Midpipes deliver a livelier sound without requiring a downpipe upgrade

Premium Carbon Fiber Construction: Ensures lightweight durability and a sleek

Note BM3 is not compatible with the PnP harness and requires our universal harness

Audi 4.0T Catless Downpipe - C7 S6, S7, RS7 & D4 A8, S8 - ARM Motorsports wrangler Slightly increased induction soundThe OEM 4. 0T downpipes include large, restrictive catalysts that limit exhaust flow and reduce power output. Replacing your OEM downpipes with ARM 4. 0T Downpipes eliminates these restrictions, allowing for improved exhaust flow and performance gains. OEM downpipes also have a crossover design, forcing exhaust gases through long, convoluted pathways with multiple sharp turns. ARM 4. 0T S6 S7 A8 S8 RS7 Downpipes streamline this process by maintaining