
Both the catted and catless versions of the COBB 3.5-inch SS Y-Pipe are constructed of 304 stainless steel and TIG welded. The stainless steel flex sections are internally-lined for added lifespan and smoother exhaust flow. Dual 3-inch downpipes feed into a 3.5-inch main pipe. The Y-pipe is designed as a direct factory replacement part.
The following dyno chart compares a stock un-tuned Nissan GT-R, a stock Nissan GT-R with an AccessPORT Stage 1 tune, and a Nissan GT-R with the catless Y-Pipe and AccessPORT tune. At peak power, 28 HP and 46 ft/lb is gained with the catless y-pipe over Stage 1. Gains of up to 50HP can be found in the midrange.

Unleash the beast hidden within your Nissan GT-R with the new COBB 3.5" SS Y-Pipe and the COBB AccessPORT.
COBB 3.5” SS Y-Pipe:
• Large gains in HP & TQ
• 304 stainless throughout
• TIG welded
• Direct replacement for OEM
• Custom spun metal subtrate cats or catless options
• Similar power gains between catted and catless options using stock turbos