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    Home / Products / BMW G30 M550i N63R 3" Catless Downpipes
    BMW G30 M550i N63R 3" Catless Downpipes - ARM Motorsports
    BMW G30 M550i N63R 3" Catless Downpipes - ARM Motorsports
    BMW G30 M550i N63R 3" Catless Downpipes - ARM Motorsports
    BMW G30 M550i N63R 3" Catless Downpipes - ARM Motorsports
    BMW G30 M550i N63R 3" Catless Downpipes - ARM Motorsports
    BMW G30 M550i N63R 3" Catless Downpipes - ARM Motorsports
    BMW G30 M550i N63R 3" Catless Downpipes - ARM Motorsports

    N63RDP

    BMW G30 M550i N63R 3" Catless Downpipes

    $397.00
    4 reviews
    • 30 Day Money-Back Guarantee | IN STOCK

    HIGHLIGHTS

    • Improved Turbo Spool
    • Enhanced Exhaust Note
    • Fully Reversible
     

    PROFILE

    ARM Motorsports' N63R downpipes for the 4.4L V8 Twin-Turbo powered M550i allows you to take your N63R engine 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 N63R 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 M550i. 
     

    CONSTRUCTION

    As with all BMW's, everything is designed to fit in a very compact space, and the N63R M550i 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 M550i downpipes. 

    The ARM N63R M550i downpipes come with a mesh 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 an upper and lower bracket, one welded on the section of pipe above the flex joint where it secures to the engine block, and the other 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 N63R M550i 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 N63R 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.

    Customer Reviews
    5.0 Based on 3 Reviews
    5 ★
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    Filter Reviews:
      A
      04/07/2022
      Anonymous
      United States United States

      This Downpipes Are Amazing!

      Purchased a couple months ago and just got them installed and my M550i sounds like a totally different animal. You can hear way more turbo in the exhaust note along with a deep tone at idle and acceleration. Would 100% recommend getting these

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      A
      03/04/2022
      Anonymous
      United States United States

      Tremendous Value

      Highly recommended! After a tune this is the next best step. These are high quality construction and fit well. The sound is great and super aggressive without having a constant drone. In comfort mode the car still sounds pretty tame without terrorizing the neighborhood. For the M550 G30 the angled oxygen standoffs don't fit, you'll need something pretty short on the driver's side.

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      R
      03/18/2020
      Ryan
      NY United States

      Recommend

      Product as described , very fast shipping was actually surprised by that , the sound is intoxicating.... great product overall

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