Audi 4.0T Catless Downpipe - C7 S6, S7, RS7 & D4 A8, S8 - ARM Motorsports 228i (F23) With its easy installation and

With its easy installation and ability to leverage stock components

OEM quality perfect fit thin wall socket

Direct Fit Kit: The V2 Cold Air Intake System is a direct fit kit

supporting modifications

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) With its easy installation andThe 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