ISR Performance Shorty Headers | Nissan 350Z 370Z VQ35HR VQ37VHR
ISR Performance Shorty Headers | Nissan 350Z 370Z VQ35HR VQ37VHR
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Shipping & returns
Shipping details
In-stock orders are processed within 48 hours; transit time is additional.
International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.
Read the shipping policyReturns
Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
Read the full return policyReturn details & how to start
Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.
Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.
Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.
For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Specifications
Product details shared across all variants.
- Product type
- Exhaust Header Pipe
- Category
- Motor Vehicle Exhaust
- Color
- Silver, Gray
- Item condition
- New
- Item material
- Stainless steel
- Manufacturer type
- Aftermarket
- Motor vehicle type
- Car
- Vehicle engine part features
- Racing, Direct fit, Performance upgrade, High performance
- Vehicle exhaust type
- High performance, Header-back
- Shipping dimensions (L × W × H)
- Shipping weight
- 18.0 lb
Billable shipping weight; may include dimensional weight.
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.
