ISR Performance Shorty Headers – VQ35DE Engine | Nissan 350Z Z33 & Infiniti G35

Unlock improved throttle response and horsepower with the ISR Performance Shorty Headers for the VQ35DE engine in the Nissan 350Z (Z33) and Infiniti G35. Designed as a direct replacement for the factory exhaust manifolds, these shorty headers deliver performance without sacrificing mid-range torque—perfect for street builds and track use (where legal).

Constructed from 304 brushed stainless steel, these headers feature 1-3/4” primaries for a balance of low-end torque and high-rpm power. Each unit includes O2 sensor bungs for seamless integration with your factory sensors and comes complete with all necessary gaskets and hardware for installation.

Key Features

• 1-3/4” primary tubes designed for strong mid-range torque and top-end power

• 304 brushed stainless steel construction for durability and corrosion resistance

• Heavy-duty flanges for secure, leak-free sealing

• Direct bolt-on replacement for factory manifolds

• Factory O2 sensor compatible – pre-welded O2 bungs for plug-and-play fitment

What’s Included

• 2x Stainless Steel Shorty Headers

• 2x 3-bolt exhaust gaskets

• 2x Head-to-manifold gaskets

• 6x Exhaust nuts

• 6x Exhaust bolts

Vehicle Compatibility

• Nissan 350Z (Z33) with VQ35DE engine

• Infiniti G35 with VQ35DE engine

Note:

For competition use only. Not legal for use on public roads or highways.