ARM Motorsports

BMW N63 / N63TU 3" Catless Downpipe - ARM Motorsports

BMW N63 / N63TU 3
BMW N63 / N63TU 3
BMW N63 / N63TU 3
BMW N63 / N63TU 3
BMW N63 / N63TU 3
BMW N63 / N63TU 3
BMW N63 / N63TU 3
BMW N63 / N63TU 3
BMW N63 / N63TU 3
BMW N63 / N63TU 3
BMW N63 / N63TU 3
BMW N63 / N63TU 3
--9%
$397.00
$432.99 In Stock Sold out
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HIGHLIGHTS

• Gain up to +43whp / 48wtq
• Improved Turbo Spool
• Enhanced Exhaust Note
• Fully Reversible

PROFILE

ARM Motorsports' new N63/N63TU downpipes for the 4.4L V8 Twin-Turbo powered 550i allow you to take your N63/N63TU engine to the next level. Made with full 304 Stainless Steel and 3" construction these downpipes provide a significant increase in power and torque over the OEM catted downpipes. In addition to the massive power gains, these downpipes open up an incredible exhaust sound from the turbocharged V8 that will shock and awe onlookers!
 
INSANE SOUNDS!
 
By replacing the OEM downpipes with the ARM 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 550i. 
 

DYNO PROVEN

Our test car was an N63-equipped 2012 550i GT optioned with the all-wheel-drive xDrive system. It came with a Stage 2 tune installed making our baseline numbers 412awhp and 482awtq. After installing the ARM 3" Downpipes and Cold Air Intake, we recorded gains of 48whp and 43wtq over the standard Stage 2 tune for an impressive total of 460awhp and 525awtq. 
 
N63 Downpipes Dyno
 

CONSTRUCTION

As with all BMWs, everything is designed to fit in a very compact space, and the N63/N63TU 550i 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 installation easier. Consequently, the ARM N63/N63TU downpipes mount up to the turbos and mid pipes with the same precision as you would expect from the factory 550i downpipes. 
 
N63 Downpipes F10 550i Exhaust
 
The ARM N63/N63TU 550i downpipes come with a flex section to relieve stress between the upper and lower portion of the downpipe from engine movement during aggressive driving. To further reduce any tension on the turbochargers, we have developed an upper and lower bracket, one being 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 550i downpipes to be secured, which means a strong and lasting connection safe for all the components on the vehicle.
 
N63 Downpipes F10 550i Exhaust
 
The ARM N63/N63TU 550i Downpipes utilize two O2 sensor bungs on each downpipe to allow for reinstalling the O2 sensors in their factory locations. This not only allows for the accommodation of the factory heat shield but also allows the correct O2 sensor data to be sent to the DME. This is essential for the DME to properly monitor the parameters in the exhaust that are critical to having your 550i motor running smoothly. 
 

CEL DELETE KIT

The installation of catless downpipes on your N63/N63TU will result in an inevitable check engine light (CEL) as the DME will detect that emissions are not being burnt up by the OEM catalyst.  To remove this CEL without having to tune it out we offer the CEL Delete Kit which is comprised of two O2 sensor spacers specifically calibrated to comply with BMW's parameters for a functioning catalyst.  These install into the post-catalyst O2 sensor bungs on each N63 Downpipe, effectively removing the CEL that would otherwise appear.
 

IN THE BOX

• ARM N63 3" Catless Downpipes
• ARM Crush Brackets
• Hardware Kit

  

FITMENT GUIDE

The ARM N63/TU Catless Downpipes are compatible with the cars on the list below that have a slip-fit style OEM downpipe only. The most reliable and accurate way is to simply look under your vehicle for the connection point between the downpipe and mid-pipe. In most cases, this is visible without having to remove any undertrays or covers. If your connections look like the images below and your car is listed on the fitment chart, these will fit your vehicle. 
 
Make Chassis Model Engine
BMW F01 750i N63/TU 4.4L
BMW F01 750i xDrive N63/TU 4.4L
BMW F01 Alpina B7 N63/TU 4.4L
BMW F02 750Li N63/TU 4.4L
BMW F02 750Li xDrive N63/TU 4.4L
BMW F06 650i N63/TU 4.4L
BMW F06 650i xDrive N63/TU 4.4L
BMW F06 Alpina B6 xDrive N63/TU 4.4L
BMW F07 550i N63/TU 4.4L
BMW F07 550i xDrive N63/TU 4.4L
BMW F10 550i N63/TU 4.4L
BMW F10 550i xDrive N63/TU 4.4L
BMW F12 650i N63/TU 4.4L
BMW F12 650iX N63/TU 4.4L
BMW F13 650i N63/TU 4.4L
BMW F13 650iX N63/TU 4.4L
 
 
N63 Downpipes F10 550i Exhaust

N63 Downpipes F10 550i Exhaust
 

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.

We have a 30-day return policy, 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 proof of purchase.

To start a return, you can contact us at palenonracing@gmail.com. If your return is accepted, we’ll send you 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 palenonracing@gmail.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 types of items cannot be returned, Burger Motorsports does not allow returns, custom products (such as special orders or personalized items), and air filters can not be returned. 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. Certain circumstances will require a restocking fee of up to 25% at the discretion of Palenon Performance. (Examples of these circumstances include but are not limited to multiple failed delivery attempts, modified or damaged products and packaging, etc.) 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.

Handling

If the item is shipping from us direct, you will receive a tracking number within 1 business day. Most orders fulfilled at our warehouse will ship the same business day if ordered by 12pm MST. If the item is being drop shipped from the manufacturer, we cannot guarantee a tracking number within 1 business day. If an item is being drop shipped, we cannot guarantee the 24 hour (1 business day) processing time. A purchase of expedited shipping at checkout means that once item is ready to ship, it will ship using the upgraded shipping method. Some manufacturers require 3-5 days to process orders. Purchasing expedited shipping may speed up the processing time of your order, but we cannot make any guarantees in relation to faster processing time on the manufacturer’s end.

Cancellations

If you used a credit/debit card or PayPal to place an order and decide to cancel or return your order for any reason, a 5% merchant fee will be passed along to you (8% for Shop Pay installments). Some manufacturers can take up to 7 business days to ship out orders. If an item is out of stock we will reach out to you within 48 hours to confirm you would like to proceed with a preorder. If the item is listed as custom-built/ built to order within the description, or if the ETA or average lead time is visible on the product page at the time of ordering and you are cancelling inside of that ETA/lead time you will be charged the merchant fee. If the cancellation is outside of the time frame the merchant fee will not be charged to you for canceling. 

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