The  catless NISMO SS Y-Pipe is constructed of 304 stainless steel and TIG welded. The stainless steel flex sections are internally-lined for added lifespan and smoother exhaust flow. The Y-pipe is designed as a direct factory replacement part.

COBB would like to introduce its new and improved Nissan GT-R Downpipes with cast bellmouth! These high-flow, mandrel-bent, 304-stainless downpipes allow for better flow, faster turbo-spool and improved transient response. The COBB cast bellmouth downpipes are a direct OEM replacement and will bolt up to the stock exhaust system or aftermarket systems alike.

• Increased Horsepower and Torque
• Improved Turbocharger Spool, throttle response and transient response.
• Deeper exhaust note
• Stock Fitment (Bolts up to factory mid pipe and most aftermarket mid pipes that use factory locations)
• Hand Tig Welded
• Brushed Finish
• 1/2" Thick Flanges
• 304 Stainless Steel
• Factory Mounting Locations
• ETS Lifetime Warranty

This beautiful exhaust system can be found on 1000+ HP GT-Rs across the world and no where will you see a complaint or more praise given to the competition. 

• Full titanium construction
• 135mm titanium tips
• 100% perfect fitment. Not one fitment complaint after 100s sold. 
• Beautiful handmade welds
• Extremely lightweight (Over 30lbs/14kg lighter than stock)

Features:

• Full Stainless Steel
• Direct bolt on to factory Y-Pipe.
• True 4.0" merge collector into dual 4.0" muffler deletes
• True 4.0" to 3.0" Merge collector from Muffler deletes to exhaust tips.
• Stainless Steel Tips (not chrome /  will not rust)
• Largest GT-R exhaust system on the market.
• Fully built in house.

Includes:

• 4.0" Mid-Pipe
• 4.0" Catback
• All Clamps and Hardware Needed For Install