MyVQParts Long Tube Headers – VQ35HR / VQ35DE / VQ37VHR | Max Power, Flow & Sound for Nissan Infiniti - MyVQParts

MyVQParts Long Tube Headers – VQ35HR / VQ35DE / VQ37VHR | Max Power, Flow & Sound

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MyVQParts Long Tube Headers are built for serious performance. Designed to fit the VQ35DE, VQ35HR, and VQ37VHR engines, these headers replace the factory manifolds and test pipes with a full-length, high-flow setup that maximizes exhaust velocity, frees up horsepower, and completely changes how your VQ feels and sounds.

 

Constructed from mandrel-bent T304 stainless steel with precision TIG welds, these headers feature equal-length primaries to promote optimal scavenging and smooth, unrestricted flow. The result is a deep, aggressive tone with gains in both low-end torque and top-end power. Whether you’re N/A or boosted, these headers are a must-have for any high-performance build.

 

Each set includes O2 sensor bungs and thick laser-cut flanges to ensure a solid, leak-free fit. Due to their extended length, long tube headers eliminate the need for test pipes and bolt directly to a modified or custom mid-pipe or Y-pipe section. Tuning is highly recommended to get the most out of your setup and address any potential check engine lights from catalytic converter removal.

 

Key Features:

– Direct fit for VQ35DE, VQ35HR, and VQ37VHR engines

– Full-length design eliminates OEM cats and test pipes

– T304 stainless steel with TIG welding for long-term durability

– Equal-length primaries for better scavenging and performance

– Deep, high-performance exhaust tone

– Includes O2 bungs for sensor compatibility

– Requires tune for optimal performance and CEL resolution

– Off-road/track use only – not CARB legal

 

Compatible Vehicles:

– 2003–2006 Nissan 350Z (VQ35DE)

– 2007–2008 Nissan 350Z (VQ35HR)

– 2003–2007 Infiniti G35 Coupe (VQ35DE)

– 2007–2008 Infiniti G35 Sedan (VQ35HR)

– 2009+ Nissan 370Z (VQ37VHR)

– 2008+ Infiniti G37 Coupe & Sedan (VQ37VHR)

 

How to Install: MyVQParts Long Tube Headers – VQ35HR / VQ35DE / VQ37VHR | Max Power, Flow & Sound

  1. Professional installation strongly recommended. This is a complex mechanical job.
  2. Allow the vehicle to cool completely. Lift and support safely on jack stands.
  3. Remove the factory exhaust manifolds — this typically requires removing the O2 sensors, heat shields, and multiple bolts in tight spaces.
  4. Clean the cylinder head mating surfaces.
  5. Install new header gaskets and hand-thread the new headers into position.
  6. Torque header bolts to spec in the correct sequence (from center outward).
  7. Reinstall O2 sensors and all heat shields.
  8. Start the vehicle and check for leaks. Retorque bolts after the first heat cycle.

Questions? Email us at support@myvqparts.com or visit our contact page.

Frequently Asked Questions

Is this MyVQParts Long Tube Headers – VQ35HR / VQ35DE / VQ37VHR | Max Power, Flow & Sound compatible with my Nissan/Infiniti vehicles?

Compatible with: 2003–2006/2007–2008/2003–2007 G35, G37, 350Z, 370Z. Contact us at support@myvqparts.com after ordering if you need fitment confirmation.

What is your shipping and return policy?

We offer free shipping on all orders — no minimum required. Returns accepted within 30 days for unused items in original packaging. Visit MyVQParts for full policy details.