ISR Performance Y-Pipe for Nissan 350Z / Infiniti G35 | 2.5” to 3” Stainless Steel

ISR Performance Exhaust Y-Pipe for Nissan 350Z / Infiniti G35

Enhance the performance and exhaust tone of your Nissan 350Z or Infiniti G35 with the ISR Performance Y-Pipe, engineered for optimal flow, sound, and durability. Built from 2.5” and 3” stainless steel piping, this Y-pipe features a high-performance velocity merge, bellowed flex sections, and a reinforced gusset plate for added strength and long-term reliability.

This Y-pipe is a direct-fit bolt-on upgrade designed to improve exhaust flow from the catalytic converters to the midsection, providing noticeable gains in throttle response and a more aggressive exhaust note—all while maintaining excellent ground clearance.

Key Features

• 2.5” to 3” stainless steel piping for smooth, high-flow exhaust routing

• Bellowed flex sections reduce stress and absorb vibration

• Velocity merge collector for improved flow and performance

• Reinforced gusset plate adds strength between runners

• Optimized exhaust tone and ground clearance

• Direct bolt-on installation with all hardware and gaskets included

What’s Included

• 1x ISR Y-pipe for 350Z / G35

• 2x 2-bolt 2.5” exhaust gaskets

• 1x 2-bolt 3” exhaust gasket

• 6x bolts

• 6x nuts

Note: Not compatible with AWD Infiniti G35 (X models).

Legal Notice: For use in competition vehicles only. Not legal for use on public roads or highways.