Audi 4.0T Catless Downpipe - C7 S6, S7, RS7 & D4 A8, S8 - ARM Motorsports 228i (F23) OEM quality perfect fit thin

OEM quality perfect fit thin wall socket

Map 4: Stock performance with CANbus active for logging

supporting modifications

this exhaust system produces an aggressive exhaust note that will turn heads on and off the track

These are the same high quality components that are included with our E9X/ E8X relocated inlet kits

Audi 4.0T Catless Downpipe - C7 S6, S7, RS7 & D4 A8, S8 - ARM Motorsports 228i (F23) OEM quality perfect fit thinThe 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