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      03-12-2013, 08:32 PM   #1
richb811
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GTB Performance | AR Design Downpipes : Huge Power gains!




sales@gtbperformance.com | www.gtbperformance.com | 973 429 2839 | Facebook



Get Huge Power and Intoxicating sound with a set of AR Design Downpipes : Now with Fitments for both the 535i/640i & 550i






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We are extremely excited to present our 3" Hi-Flo™ downpipes for the N63/S63 and 4" Hi-Flo™ downpipes for the new N55 Inline 6. In addition to an intoxicating and exotic sound, these downpipes add significant power and virtually eliminate turbo lag, making the amazing N63/S63 & N55 motors even more powerful and fun to drive.

AR Design's Hi-Flo™ Downpipes Feature:

3" tubing tapering to 2.5" at the Flange, with 5 Inch Race 100 Cel Race cats or Resonators Optional. Slip Fit and Flanged Options available

4" Tubing running to a masterfully crafted flex section + Collector that mates up to the Factory style slip fitment on the N55 Downpipe, also with optional 5 Inch 100 Cel Race cats or Resonators
  • Typical gains with tuning in the 30bhp range (N63/S63) or 20+bhp (N55)
  • 100% hand crafted in the USA from premium 304 Stainless Steel - flanges and O2 bungs included!
  • Water-jet cut 304 Stainless cat-back flanges, and CNC'd 304 Stainless V-Band flanges.
  • 100% TIG welded, argon back-purged.
  • Set of our exclusive bomb-proof exhaust gaskets included.
  • Grade 10.9 Metric Hardware (145,000PSI tensile strength, C32-C39 Rockwell, Zinc Plated), and Nord-Lock positive locking re-usable washers included.
  • Factory location O2 bungs
  • Available with a 2000°F ceramic coating. Coatings come with a 3 year warranty against corrosion and rust to original owner.
  • Lifetime warranty against any manufacturing defects given to original owner.

AR Design does NOT grind/polish our welds as some other manufacturers do. Grinding welds compromises the strength of the weld, and can lead to weld failure! Especially critical in applications exposed to temperatures in excess of 1200°F. Such temperatures will also rapidly deteriorate the polished finish.



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N63/S63 Downpipes









N55 Downpipe






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Please Note:

Though the downpipes may look similar, there are in fact different fitments for the F10 Versus the X5 & X6. Please select the Correct model when placing your order on the website.

Current Fitments for N63/S63
  • F10 550i / 550i X-Drive
  • F12 650i / 650i X-Drive
  • F13 650i / 650i X-Drive
  • E70 X5M
  • E70 50i X-Drive
  • E71 X6M
  • E71 50i X-Drive
  • E72 ActiveHybrid
  • F01/F02 750i

Current Fitments for N55
  • F10 535i / 535i X-Drive
  • F12 640i / 640i X-Drive
  • F13 640i / 640i X-Drive
  • F06 640i / 640i X-Drive


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Order your N63/S63 Downpipes

Click here to Configure your AR Design Catless Downpipes for your 550i / 550i X-Drive

Click here to Configure your AR Design Downpipes w/ Race Cats for your 550i / 550i X-Drive

Click here to Configure your AR Design Resonated Downpipes for your 550i / 550i X-Drive


Order your N55 downpipe

Click here to Configure your AR Design Catless Downpipes for your 535i/640i Inc X-Drive

Click here to Configure your AR Design Downpipes w/ Race Cats for your 535i/640i Inc X-Drive

Click here to Configure your AR Design Resonated Downpipes for your 535i/640i Inc X-Drive


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Technical Stuff:

You can reach us directly by calling 973 429 2839 to place your order over the phone.

Payment:
Credit/Debit Cards: Visa, Mastercard, Discover, PayPal

Other Payments:
Money Order/Cashier’s Check & Bank Wire Transfer are also available. Please contact us to pay with either of these methods.

Financing:
We offer up to 6 months interest free financing through PayPal's pay later. Pay no interest if paid in full within 6 months! Subject to credit approval

Tax:
All NJ customers will be charged 7% NJ Sales Tax

Shipping:
Shipping via Either UPS Ground or FedEx home delivery - Alaska and Hawaii as well as International options available

Hours of Operations:
Monday - Friday from 9AM - 7PM EST
Saturday/Sunday - Closed

Installs:
Need it installed? We have partnerships with local installers all over the USA with DEEP BMW experience and excellent reputations. Contact us today about a recommended installer in your area!

Last edited by richb811; 06-06-2013 at 05:08 PM..
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      03-12-2013, 08:33 PM   #2
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      03-13-2013, 07:07 PM   #3
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      03-15-2013, 10:08 AM   #4
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Price?
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      03-15-2013, 10:22 AM   #5
richb811
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Quote:
Originally Posted by double trouble View Post
Price?
Here you go : Prices!
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      03-15-2013, 11:59 AM   #6
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Quote:
Originally Posted by Rich@GTBPerformance View Post
Are there significant performance differences between catted versus catless? Do both require tune to get rid of the CEL?

Ben
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      03-15-2013, 12:23 PM   #7
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Quote:
Originally Posted by double trouble View Post
Are there significant performance differences between catted versus catless? Do both require tune to get rid of the CEL?

Ben
The differences aren't significant, but it is a difference for sure. Most notably the catless is going to give you faster turbo spooling, throttle response and more sound.

The catless definitely require a Tune to remove the CEL. The catted varies. We've had some customers not get a CEL, and some who did. You should be using a tune even with catted however.
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      03-21-2013, 08:52 AM   #8
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how mcuh are u asking for the downpipes
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      03-21-2013, 09:42 AM   #9
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Quote:
Originally Posted by S63TT View Post
how mcuh are u asking for the downpipes
Can't send you a PM since you are new, but the link above will take you to our website with the prices. Or you can shoot me an email @ Rich@gtbperformance.com
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      02-20-2015, 09:43 AM   #10
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