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The ARM N63TU3 Midpipes will unleash the sound of your 4.4L Twin-Turbo BMW by upgrading both sections of the the OEM N63TU3 midpipes with a straight-piped, free flowing exhaust solution. The ARM N63TU3 Midpipes replace the OEM midpipes which have a middle muffler and hide the incredible sounds of the N63 engine. Below are sound clips of the ARM N63TU3 Midpipes paired with the ARM N63 Downpipes, an exhaust setup that will transform the sound of your N63-powered BMW! If you already have ARM N63 Downpipes and are looking to increase the sound of your BMW even more, the ARM N63TU3 Midpipes are the solution. It will give a noticeable increase in volume and tone over the ARM N63 Downpipes alone. As shown in the diagram above, the ARM N63TU3 Midpipes will replace the middle section of the exhaust, between the downpipes and the axle back section.
The ARM N63TU3 Midpipes are a complete midpipe system which connects to the OEM axle back section to retain the OEM valve controls and exhaust tips. The ARM N63TU3 Midpipes come in two main sections, the front section and the rear section. The rear section of the ARM N63TU3 Midpipes connect to the front section using a slip-fit connection. If you want to maximize the volume of your N63TU3, add the ARM N63 Downpipes to unleash a truly remarkable sound from your 4.4L V8 Twin-Turbo!
| Make | Chassis | Model | Engine |
| BMW | G14 | M850i xDrive |
N63B/TU3 4.4L |
| BMW | G15 | M850i xDrive | N63B/TU3 4.4L |
Backed by the ARM Motorsports Lifetime Warranty against defects in craftsmanship or fitment. See the full warranty terms for details.
Off-road use only: This product is intended for racing vehicles and may be illegal for use on public roads in many states or provinces.