ISR Performance ST Series Exhaust for Nissan 370Z Z34

The ISR Performance ST Series Dual Exhaust is a Y-pipe-back system for the 2009-2020 Nissan 370Z (Z34). Built from stainless steel with bottle-style resonators and dual 4-inch tips, it bolts directly to the factory Y-pipe and delivers a deep, aggressive tone that matches the character of the VQ37VHR.

What It Does

Direct bolt-on replacement for the factory mid-pipe and rear muffler section. The system starts at a 2-bolt 3-inch flange that splits into dual 2.5-inch piping with bottle-style resonators, then continues back to two aggressive mufflers with 4-inch tips. Built for 370Z owners who want a deeper, more aggressive exhaust note without going to a full straight-pipe race setup.

Fitment

• 2009-2020 Nissan 370Z (Z34) with VQ37VHR

Bolts to the factory Y-pipe. Requires the OEM Y-pipe or an aftermarket Y-pipe with the factory 3-inch 2-bolt flange.

What's in the Box

• 1x Resonator section
• 2x Muffler sections with 4-inch tips
• Gaskets and hardware

Product Details

Brand: ISR Performance

Part Number: IS-ST-Z34

Type: Y-Pipe Back Dual Exhaust

Vehicle Fitment: 2009-2020 Nissan 370Z (Z34) with VQ37VHR

Material: Stainless steel

Piping Diameter: Dual 2.5-inch

Tip Diameter: 4-inch

Resonators: Bottle style, included

Inlet Flange: 3-inch 2-bolt

Installation: Direct bolt-on, gaskets and hardware included

Sold: Complete dual exhaust system

Legality: Off-road and competition use only