AMS PERFORMANCE R35 GT-R RACE DOWNPIPES

Alpha R35 GT-R “Widemouth” Downpipe Upgrade Unsurpassed Performance, Durability and Sound The Alpha Nissan GT-R 90mm Cast Widemouth 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! Unparalleled Durability and Performance through Proper Engineering Our downpipes perform better and are not prone to cracking like the alternatives offered by the competition.  Their versions have many welded seams which are prone to failure. 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 (3D CAD software) to blueprint the inlet and outlets with smoother features and geometry to optimize exhaust flow. They also provided thick flanges to preven