ISR Performance HGC Long Tube Headers - VQ35DE/HR 350Z / G35 / 370Z M3 Whether on the track

Whether on the track

52mm carbon steel shock body with a performance internal piston

In-house Dyno testing resulted in max gains up to +6 HP and +7 lbs

Detailed Description Can't decide on an exhaust system yet

In addition

ISR Performance HGC Long Tube Headers - VQ35DE/HR 350Z / G35 / 370Z M3 Whether on the trackISR Performance HGC Long Tube Headers VQ35DE HR Nissan 350Z Z33 Infiniti G35 The ISR Performance Long Tube headers for VQ35DE HR are designed to replace your factory header. These long tube headers are constructed with 304 brushes stainless steel and heavy duty flanges. Designed with a stepped primary, these headers are built to retain as much low and mid range torque as possible while allowing for good top end horsepower gains as well. The innovative