Complete Port Package for G37/370Z VQ35HR/VQ37VHR

Upgrade the airflow and performance of your VQ35HR or VQ37VHR engine with our Complete Port Package, engineered for owners of the 2007+ Infiniti G37, Nissan 370Z, 2007+ Infiniti G35 Sedan, and 2007+ 350Z. This package is designed for maximum efficiency, improved throttle response, and noticeable horsepower gains—making it one of the best bolt-on upgrades available for HR and VHR platforms.

Each component is fully ported to remove factory restrictions, increasing airflow volume and velocity. Expect roughly 25–35 HP gains when paired with proper tuning and supporting mods.

What’s Included:

Ported Upper Plenum

• Ported 3–5mm on all runners

• Ported throttle body entrances for improved air charge

• Smoother, higher-flow design for stronger midrange and top-end power

Ported Lower Intake Manifold

• Ported approximately 3–5mm beyond factory dimensions

• Increases airflow efficiency to both cylinder banks

• Reduces airflow bottlenecks common on HR and VHR engines

Ceramic-Coated Lower Manifold

• Exterior ceramic coating available in any color you want

• Improved heat management and reduced intake air temperatures

• After purchase, email your order number and color choice to info@initiatemotorsport.com

Performance Benefits:

• Adds 25–35 horsepower with tuning

• Noticeably better throttle response

• Improved airflow across the entire intake system

• More efficient cylinder filling for higher RPM performance

• Reduced heat soak thanks to ceramic coating

This Complete Port Package is ideal for anyone looking to maximize the potential of their VQ35HR or VQ37VHR engine in a G37, 370Z, G35 Sedan, or 350Z HR. Perfect for NA builds, boosted setups, and drivers who want the best airflow improvements available for these platforms.

Fitment

• 2007–2008 Nissan 350Z (HR)

• 2009+ Nissan 370Z (VHR)

• 2007–2013 Infiniti G35 / G37 (HR & VHR)

• 2014–2015 Infiniti Q50 3.7L V6

• 2014–2015 Infiniti Q60 3.7L V6