Long Tube Headers for VQ35DE/HR, VQ37VHR Engines

The MyVQParts Long Tube Headers are engineered for enthusiasts seeking maximum performance from their VQ35DE, VQ35HR, or VQ37VHR engines. These headers are designed as a direct replacement for the stock exhaust manifolds and test pipes, offering a full-length, high-flow configuration that significantly enhances exhaust gas velocity. The upgrade aims to unlock additional horsepower, improve throttle response, and transform the auditory character of the vehicle's VQ engine. Crafted from durable, mandrel-bent T304 stainless steel and precision TIG welded, the headers boast equal-length primary tubes. This design promotes optimal exhaust scavenging, leading to smoother, unrestricted flow. The outcome is a noticeable increase in both low-end torque and top-end power, making them suitable for both naturally aspirated and forced-induction setups. The headers produce a deep, aggressive exhaust note, enhancing the driving experience. Each header set includes essential O2 sensor bungs for maintaining sensor compatibility and thick, laser-cut flanges for a secure, leak-free installation. Due to their extended length, these long tube headers eliminate the need for factory catalytic converters and test pipes, directly mating with a modified or custom mid-pipe or Y-pipe. Installation is considered a complex mechanical task, and professional installation is strongly recommended. Additionally, tuning is highly recommended post-installation to maximize performance gains and to mitigate potential check engine lights that may arise from the removal of catalytic converters. This product is intended for off-road/track use only and is not CARB legal. Key Features: - Direct fit for VQ35DE, VQ35HR, and VQ37VHR engines - Full-length design eliminates OEM cats and test pipes - T304 stainless steel construction with TIG welding for durability - Equal-length primaries for improved scavenging and performance - Produces a deep, high-performance exhaust tone - Includes O2 bungs for sensor compatibility - Requires tuning 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)