Description: The Alpha Nissan GT-R 90mm Cast Wide mouth Downpipes are the best performing and most durable on...
Vendor: AMS Performance
SKU: ALP.07.05.0001-1
Product Type: Exhaust
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Subtotal: $999.95
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The Alpha Nissan GT-R 90mm Cast Wide mouth Downpipes are the best performing and most durable on the market. During testing our shop GT-R with Alpha upgraded turbos saw gains across the power band of 100 wheel horsepower and over 130 ft lbs of torque with this simple bolt-on!  Turbo spool-up was also improved by almost 400rpm. Our downpipes perform better and are not prone to cracking like the alternatives offered by the competition.  By casting these downpipes in robust 304 Stainless Steel we were not limited by the design restraints of hand fabricated construction.  The AMS engineering team utilized Solidworks to blueprint the inlet and outlets with smoother features and geometry to optimize exhaust flow.

They also provided thick flanges to prevent exhaust leaks and utilize the factory mounting hardware for OEM like fitment. Most other systems implement 76mm (3”) downpipes that can cause unnecessary back pressure. By using a larger 90mm (3.5”) primary pipe we were able to optimize exhaust gas flow, freeing up horsepower while improving spool time and throttle response.The Alpha Nissan GT-R 90mm Wide mouth Downpipes will easily support any future modifications.  Combined with unrivaled fit, finish, durability and performance you can enjoy them for the life of the car.


  • Two 90mm Alpha Cast downpipes
  • Downpipe bracket hardware


  • Cast Downpipes with NO CATS (set of two)
  • Big horsepower increases throughout the powerband
  • Improved turbo spool and throttle response
  • Cast construction offers added performance and reliability over the competition
  • Pronounced, throaty exhaust note under wide open throttle yet is subdued at idle and while cruising
  • Large 90mm (3.5”) primary section for optimal exhaust flow
  • Stock like fitment with no chassis clearance issues
  • Bolts up to the stock mid-pipe or most  aftermarket systems
  • Precision TIG welded with unrivaled fit and finish
  • 100% 304 stainless steel

Vehicle Fitment:

  • 2009 Nissan R35 GT-R
  • 2010 Nissan R35 GT-R
  • 2011 Nissan R35 GT-R
  • 2012 Nissan R35 GT-R
  • 2013 Nissan R35 GT-R
  • 2014 Nissan R35 GT-R
  • 2015 Nissan R35 GT-R
  • 2016 Nissan R35 GT-R
  • 2017 Nissan R35 GT-R
  • 2018 Nissan R35 GT-R


Images are for representation purpose only and may differ depending on application.

If you have any fitment questions, please feel free to reach out to our team via the contact methods below. If you are contacting us for any order status updates, please give us a call, or email us. We are a lean operation bringing you the best shopping experience possible. We are working on your orders as quickly as we can. We thank you for your patience.

Please reach out to us at (310) 231-0292 for sales inquiries if you are in the United States, Canada, Mexico.
For more in-depth product questions, fitment questions, product inquiries please email our performance specialists at
All other inquiries:
Please direct your inquiries to the chat functionality on our website.

Returns Policy

If a product is ordered and not wanted, the UNUSED item can be returned for a 25% restocking fee unless otherwise specified. In some cases, we may offer the ability to return the item to us for a lesser restocking fee and then keep the balance as a store credit. To return an item, it must be in brand new condition with original packaging.

We cannot accept a return on special ordered or custom items.

Shipping is non refundable in either direction unless approved by AutoTalent. All items wanting to be return MUST be reported within 30 days of the original invoice date. No items will be returnable after 30 days. All products shipped from the AutoTalent facility are shipped via FedEx, USPS, or USPS. Some packages shipped from the manufacturer may or may not require signatures for package release.

Special Order Items

Some items may be special order specifically for the customer’s vehicle. These items generally require a deposit or paid in full. Once this deposit amount is notified to the customer and they agree to order the special order item, the deposit becomes non-refundable. These special order items cannot be returned or resold. Cancellations are not allowed on special order parts.

AutoTalent DOES NOT REFUND SHIPPING CHARGES. If you modify, install, or alter the item in any form, we cannot accept it as a return. We will not cover any expenses related to the product or installation, and you may be required to purchase a replacement.

** All cancellations that are requested that are NOT due to items not being in stock or delayed by the manufacturer are subject to a 5% processing fee. When you place an order with us we pay credit card fees that are NOT returned back to us. We will absorb these fees if we do not have the item in stock OR if you agree to the original ETA and that ETA is NOT met. If you decide to cancel for any other reason you will not receive this 5% fee back


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based.

AMS Performance Alpha Cast Downpipe for Nissan GT-R - AutoTalent

AMS Performance Alpha Cast Downpipe for Nissan GT-R 2009-2021


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