armmotorsports

BMW 750i 850i X5 X6 X7 N63R/N63B 3" CATLESS DOWNPIPES

Name: BMW 750i 850i X5 X6 X7 N63R/N63B 3" CATLESS DOWNPIPES
Brand: armmotorsports
SKU: N63RDP
Price: 397.00 EUR
Availability: InStock

€397,00 EUR

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HIGHLIGHTS

• Improved Turbo Spool
• Enhanced Exhaust Note
• Fully Reversible

PROFILE

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-pressure and allow the exhaust from the turbochargers to flow more freely. This increase in exhaust flow allows for the turbos to spool faster, increasing power and torque throughout the RPM range of your BMW.

CONSTRUCTION

As with all BMW's, everything is designed to fit in a very compact space, and the G-Series downpipes are no exception. However, BMW did an excellent job of engineering the downpipes to flow in the smoothest path from the turbocharges down to the mid pipe section. Our downpipes essentially followed the same exhaust flow path with a few small modifications to make airflow smoother and installation easier. Consequently, the ARM N63R downpipes mount up to the turbos and midpipes with the same precision as you would expect from the factory N63R/N63B downpipes.

The ARM G-Series downpipes come with a flex section to relieve stress between the upper and lower portion of the downpipe. To further reduce any tension on the turbochargers, we have developed a lower bracket on the lower portion below the flex joint where it is secured to the transmission housing. These are the same points BMW designed their factory M550i downpipes to be secured, which means a strong and lasting connection safe for all of the components on the vehicle.

The ARM G-Series downpipes utilize two O2 sensor bungs on each downpipe to allow for reinstalling the O2 sensors in their factory locations. This allows the correct oxygen sensor data to be sent to the DME. This is essential for the DME to properly monitor the fuel mixture in the exhaust gas that are critical to having your M550i motor running smoothly.

SOUND CLIPS

IN THE BOX

• ARM G-Series 3" Catless Downpipes
• ARM Crush Brackets
• Hardware Kit

FITMENT GUIDE

Make	Chassis	Model	Engine
BMW	G30	M550i	N63R 4.4L
BMW	G30	M550i xDrive	N63R 4.4L
BMW	G05	X5 xDrive50i	N63M 4.4L
BMW	G05	X5 M50i	N63B 4.4L
BMW	G11	750i / xDrive	N63R 4.4L
BMW	G12	750i / xDrive	N63R 4.4L
BMW	G14	850i / xDrive	N63B 4.4L
BMW	G15	850i / xDrive	N63B 4.4L
BMW	G16	850i / xDrive	N63B 4.4L
BMW	G06	X6 M50i	N63B 4.4L
BMW	G07	X7 M50i	N63B 4.4L

ARM MOTORSPORTS LIFETIME WARRANTY

Every ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase. Your warranty protects you against any defects in craftsmanship or fitment. The warranty entitles you to a replacement unit.

This product is for Off-Road Use Only. Items sold for off-road use only are illegal to use on public roads in most states and provinces. This product is intended for racing vehicles which may never be used on a public road.