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HIGHLIGHTS
• Improved Turbo Spool
• Enhanced Exhaust Note
• Fully Reversible
• Enhanced Exhaust Note
• Fully Reversible
PROFILE
ARM Motorsports' N63R/N63B downpipes for the 4.4L V8 Twin-Turbo powered G-Series allow 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 BMWs, 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 mid-pipes 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 is critical to having your M550i motor running smoothly.
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 that may never be used on a public road.
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 that may never be used on a public road.
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We have a 30-day return policy on all items, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at sales@palenonperformance.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at sales@palenonperformance.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain items cannot be returned, Burger Motorsports does not allow returns, custom products (such as special orders or personalized items). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.