STM Stainless Race Y-Pipe for R35 GTR (Not for Street Use)

The STM R35 GTR y-pipe features a free-flowing, straight-through design, fully T304 stainless construction and TIG welded in-house. If you’re looking to free up air flow for track days, this is exactly what you need. Available with a 3.5″ flange to bolt to aftermarket exhausts or a 3″ flange for the stock cat-back.

This is our pipe of choice for a bolt-on race pipe! This piece fits to stock locations and and includes all necessary hardware and gaskets for a clean and simple install.

Vehicle Fitment:
2009-2025 Nissan R35 GT-R

Options:
The STM Y-Pipe features a 3.5″ primary tube to bolt up to a 3.5″ aftermarket cat-back exhaust or we offer the option of a smooth transition to fit stock or aftermarket 3″ cat-back exhausts.

Results:
Tested with a stock cat-back we saw gains of +18 TQ and +8 HP without changing the tune. Bigger gains can be expected with aftermarket cat-back and a tune.

Features:
• Hand built and precision TIG welded in the USA
• 3.5″ primary tube with option of smooth transition to fit stock or aftermarket 3″ cat-back exhaust
• Full T304 Stainless Steel
• Dual 3″ Stainless Turbo Flex Sections with Smooth Inner Liner
• Includes all Gaskets and Hardware needed for easy install
• Installs in less than an hour with basic hand tools
• Fits like stock

Made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.

Race Use Only:
Designed for racecars, track racing and sanctioned events. Not for use on public streets. Please check all your local laws before purchase.

Shipping Times: 1-14 Days
Hand crafted and welded in New York, please give our fabricators time to create your piece!

Updated Oct 2025:
Same design, but with more CNC parts made in-house at STM!