ISR Performance Shorty Headers | Nissan 350Z/370Z VQ35HR VQ37VHR

Improve the performance of your Nissan 350Z (Z33) or 370Z (Z34) with the ISR Performance Shorty Headers, engineered specifically for VQ35HR and VQ37VHR engines. These headers are built from 304 brushed stainless steel and designed to maximize mid-range torque while also delivering top-end horsepower gains.

Designed with 1-3/4” primary tubes, these headers offer a well-balanced performance upgrade ideal for spirited street driving or competitive motorsports. The compact design ensures clearance with the OEM coolant/oil cooler line found on later VQ37 engines, making installation smooth and reliable.

Each header includes properly placed O2 sensor bungs for full compatibility with factory oxygen sensors.

Key Features

• 304 Brushed Stainless Steel Construction – Durable, corrosion-resistant build

• 1-3/4” Primary Tubes – Optimized for mid-range torque and high-end power

• OEM Fitment – Clears OEM coolant/oil lines on later VQ37 engines

• O2 Sensor Compatibility – Includes bungs for factory oxygen sensors

• Direct Bolt-On – Designed for proper fitment and hassle-free installation

What’s in the Box

• 2x Stainless Steel Shorty Headers

• 2x 3-Bolt Exhaust Gaskets

• 2x Head to Manifold Gaskets

• 6x Exhaust Nuts

• 6x Exhaust Bolts

Fitment

• Nissan 350Z (Z33) VQ35HR

• Nissan 370Z (Z34) VQ37VHR

Notice

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