Evo X & RalliArt
2116 Stonington Ave, Hoffman Estates, IL 60169
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Evo X & RalliArt
GTR (2009 - present)
Exhaust & O2 Housing
Downpipe - Alpha Performance Widemouth Downpipe (R35 GT-R)
The Alpha 90mm Cast Widemouth Downpipes are the best performing and most durable downpipes available on the market. Unlike most downpipe systems that use 76mm (3”) downpipes that can cause unnecessary back pressure, the Alpha 90mm cast Widemouth Downpipes use a larger 3.5" primary pipe to optimize exhaust gas flow, freeing up horsepower, while improving spool time and throttle response. Cast from 304 Stainless Steel, these downpipes do not include welded seams which are prone to cracking/failure, which can be found on the competitor's products.
Combined with unrivaled fit, finish, durability and performance you can enjoy for the life of the car, the Alpha 90mm Widemouth Downpipes will support any future modification, and will bolt up to the stock midpipe or most aftermarket exhaust systems.
During testing on AMS's Omega GTR with Alpha upgraded turbos, gains of 100WHP and over 130ft/lbs torque could be seen with this simple bolt-on!
(2) 90MM Alpha Cast Downpipes
Downpipe to bracket hardware
Downpipe to Midpipe gaskets
Usually Ships in 2 to 3 Business Days
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AMS Widemouth Downpipes offer a more pronounced, throaty exhaust note under wide open throttle, yet are subdued at idle and while cruising. A perfectly balanced sound for the ultimate all around supercar!
Downpipe - Cobb Bellmouth Catted Downpipes (R35 GT-R)
Downpipe - Cobb Bellmouth Downpipes (R35 GT-R)
Exhaust System - ETS 4" (102mm) Titanium Exhaust System (R35 GT-R)
Midpipe/Y-pipe - Speed By Design 3.5" Monster Resonated (R35 GT-R)
Downpipe - JMF 3" Downpipe (R35 GT-R)
Downpipe - Speed By Design 3" Bellmouth Cast Downpipes (R35 GT-R)
Exhaust System - HKS Legamax Stainless Steel (R35 GT-R)
Exhaust System - ETS 4" (102mm) Stainless Steel Exhaust System with Y-Pipe (R35 GT-R)
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