ISR Performance Shorty Headers for Nissan 350Z & 370Z – VQ35HR & VQ37VHR Engines - Do not fit the RHD models
Maximize power and torque on your Nissan 350Z (Z33) or 370Z (Z34). ISR Performance Shorty Headers feature precision-designed 1-3/4" primary tubes, providing significant mid-range torque improvements and increased top-end horsepower for VQ35HR and VQ37VHR engines. Built from premium 304 brushed stainless steel, these headers deliver durability and reliability under intense driving conditions.
Key Product Features
- 304 Stainless Steel Construction – Long-lasting, corrosion-resistant durability.
- 1-3/4" Primary Tubes – Optimized design boosts mid-range torque & high-RPM horsepower.
- OEM Clearance – Specifically clears OEM coolant and oil cooler lines on VQ37 engines.
- Factory O2 Sensor Compatible – Pre-installed sensor bungs to retain OEM sensors without triggering CEL.
- Direct Bolt-On Installation – Includes necessary hardware & gaskets for hassle-free fitment.
What's Included with ISR Shorty Headers?
- 2 × Stainless Steel Shorty Headers (left & right)
- 2 × 3-Bolt Exhaust Gaskets
- 2 × Head-to-Manifold Gaskets
- 6 × Exhaust Nuts
- 6 × Exhaust Bolts
Vehicle Fitment Applications
| Year | Vehicle | Chassis | Engine |
|---|---|---|---|
| 2007-2008 | Nissan 350Z | Z33 | VQ35HR |
| 2009-2020 | Nissan 370Z | Z34 | VQ37VHR |
Easy Installation & Fitment Guarantee
ISR Shorty Headers directly bolt onto your vehicle's factory exhaust mounts with no modification necessary. Professional installation recommended; typical installation duration: approximately 2-3 hours.
Important Legal Disclaimer
Note: This product is intended solely for competition/race vehicles. Not legal for street-driven vehicles on public roads or highways.
Frequently Asked Questions (FAQ)
Do ISR Shorty Headers cause check-engine lights (CEL)?
No. ISR headers are designed to integrate factory O2 sensors seamlessly, significantly reducing the chance of triggering CELs.
Are these headers compatible with OEM oil cooler lines?
Yes. Specifically engineered to provide proper clearance for OEM coolant and oil cooler lines on late-model VQ37 engines.
Is ECU tuning required after installation?
Tuning is optional but highly recommended to extract maximum horsepower and torque gains and ensure optimal engine performance.