Audi B9 S4 S5 3.0T 3" ARM Motorsports Midpipes

The ARM B9 Midpipes utilize an industry-leading 3" design throughout 93% of the midpipe section, compared to the standard 2.3" (60mm) size used by most other aftermarket options.  The ARM B9 3.0T 3" Midpipes will unlock a more exciting and aggressive exhaust note on your 3.0T powered B9, with a fully reversible bolt-on solution, no cutting or modification required!  By removing the OEM front resonators which mute your Audi's 3.0T engine, the ARM B9 3.0T Midpipes utilize 3" piping to turn up the volume and give you a deeper, richer exhaust note. When paired with the ARM B9 3.0T Downpipe it truly transforms the sound of your 3.0T powered B9. The ARM B9 3.0T Midpipes retain the use of the OEM exhaust valves, so you can be incognito in comfort mode, or roar in dynamic!The video below demonstrates the difference between the OEM downpipe and midpipes and the ARM B9 3.0T downpipe and midpipes.The OEM Front Midpipes have a resonator on each midpipe that mutes the otherwise crisp exhaust note