ARM Motorsports 3" Catted Downpipes | F07 · F10 550i · F06 · F12 · F13 650i · Alpina B6 · F01 · F02 750i 750Li Alpina B7 · G11 750i · G30 M550i · G14 · G15 · G16 M850i · G05 X5 M50i · G06 X6 M50i · G07 X7 M50i F98 X4 M 3.0L Turbo I6 [S58] Precision Raceworks blue color

Precision Raceworks blue color

The Precision Raceworks Micro Regulator is the worlds smallest universal regulator

eliminating bar movement and compression during hard turns

Fits one or two 52mm gauges

Enjoy an entirely new exhaust system that delivers an instant and perfect balance of flow and harmonics to your Audi S-class SUV

ARM Motorsports 3" Catted Downpipes | F07 · F10 550i · F06 · F12 · F13 650i · Alpina B6 · F01 · F02 750i 750Li Alpina B7 · G11 750i · G30 M550i · G14 · G15 · G16 M850i · G05 X5 M50i · G06 X6 M50i · G07 X7 M50i F98 X4 M 3.0L Turbo I6 [S58] Precision Raceworks blue colorARM Motorsports new N63 N63TU Catted Downpipes for the 4. 4L V8 Twin Turbo powered 550i allows you to take your N63 N63TU engine to the next level. Designed with the same precision as our N63 Catless Downpipes, the ARM N63 Catted Downpipes feature high flow 200 cell ceramic sport catalytic converters positioned in the OEM location. Made with full 304 Stainless Steel and 3" construction these downpipes provide a significant increase in power and torque