Introducing the first of its kind — a fully custom-fabricated upper intake manifold plenum designed exclusively for the VQ37VHR engine. This isn't just a visual upgrade — it's a groundbreaking performance component, engineered from the ground up to deliver exceptional airflow, horsepower gains, and reliability, all while maintaining OEM sensor compatibility.

Built by Enthusiasts, For Enthusiasts
Crafted from 100% high-grade 304 stainless steel, each manifold is meticulously TIG-welded in-house by our expert fabricators. The result is not only a visually stunning centerpiece for your engine bay — but also a structurally sound, track-ready part tested in real-world conditions.

Key Features:

• Custom fabricated upper plenum manifold – exclusive to the VQ37VHR platform

• Built from premium 304 stainless steel for strength, heat resistance, and long-term durability

• Fully TIG-welded by hand for maximum precision and craftsmanship

• Supports factory MAP sensor integration — no tuning complications or sensor conversion required

• Optimized internal volume and flow path for real horsepower gains and throttle response

• Fits Nissan 370Z, Infiniti G37, Q50 with VQ37VHR engines

• Designed, built, and tested 100% in-house