ISR Performance Shorty Headers - VQ35HR VQ37VHR- Nissan 350Z Z33 Nissan 370Z Z34
These Shorty headers are constructed with 304 brushed stainless steel and heavy duty flanges. Designed with 1-3/4" primary tubes, these headers are built to retain as much mid range torque as possible while allowing for good top end horsepower gains as well. These headers are designed to clear the OEM coolant tube / "Oil cooler" line found on the USDM Driver side of the block on the later model VQ37 engines without issue.
Each header features o2 bungs placed so that you can utilize your factory o2 sensors.
What’s in the Box:
- 2x Stainless Steel Shorty Headers
- 2x 3 bolt exhaust gaskets
- 2x Head to manifold gaskets
- 6x Exhaust Nuts
- 6x Exhaust Bolts
Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.