ARM Motorsports Catless Downpipes | G30 M550i · G11 750i · G14 · G15 · G16 M850i · G05 X5 · G06 X6 · G07 X7 | 4.4L Turbo V8 [N63]

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ARM Motorsports Catless Downpipes | G30 M550i · G11 750i · G14 · G15 · G16 M850i · G05 X5 · G06 X6 · G07 X7 | 4.4L Turbo V8 [N63]ARM Motorsports' N63R N63B downpipes for the 4. 4L V8 Twin Turbo powered G Series allows you to take your BMW to the next level. Made with full 304 Stainless Steel and 3" construction these downpipes open up an incredible sound from the twin turbocharged V8 even with the stock exhaust! By replacing the OEM downpipes with the ARM G Series Catless Downpipes, you'll be removing the restriction from the OEM converters which will reduce exhaust back

Stainless Steel D-Bobbin Hardware

Stage 2 91: up to 20%HP / 24%TQ (28i)

100% compatible with the Adaptive Cruise Control (ACC) system

or even upload to the Dragy leader board

& 93 octane high-performance maps

Team 365 by Yupoong® Adult Zone Performance Cap - TT801

This can lead to early piston ring failure

our HPFP upgrade includes a molybdenum disulphide seal used for it's stiffness and reduced friction characteristics

NEUSPEED HI-FLO Turbo Discharge Conversion

and all tool clearances and specs are maintained

Upgraded throttle body support for dual pulley

4 TSI system