Z1's Nissan Z Blow Off Valve Kit includes everything needed to install pneumatic Turbosmart blow off valves on your 2023+ Nissan Z.
A Blow Off Valve's sole purpose is to protect your turbo. The valve is actuated by manifold vacuum and vents excess boost pressure to atmosphere on forced induction cars when the throttle is closed. When this happens, an audible sound is heard as air is released from the valve. From the factory, rather than using blow off valves your Nissan Z has two electronically actuated diverter valves. These work similarly to a BOV with one major difference: they recirculate the air released from the valve and cannot be heard. If the sound of a blow off valve is a characteristic of forced induction that you enjoy, this can be a disappointment and a real "blow" to your driving experience.
To remedy this, Z1's Blow Off Valve Kit deletes the stock diverter valve in favor of a pair of pneumatic blow off valves. To achieve this, a pair of billet block-off plates are included to replace the diverter valves in the compressor housing. Turbosmart VeePort Pro valves and necessary silicone couplers are included to take over the responsibility of boost relief. To prevent error codes from the removal of the diverter valve, a pair of plug-and-play diverter valve simulators are included.
USE WITH AFTERMARKET TURBOS
When installing Z1's VRX70 upgraded turbochargers, the factory diverter valves cannot be used. The increase in compressor housing size eliminated the available space where the factory diverter valves existed previously. As a result, a blow-off valve kit is required to run our VRX70 turbochargers. CLICK HERE to see all of our blow-off valve options.

Aftermarket blow-off valves like the Turbosmart VeePort Pro included in this kit have the ability to flow a high volume of air, ideal for higher boost applications where the boost pressure has been increased. Designed for high flow and performance, the VeePort features a 38mm piston and unique boost-balance technology that can support more boost than the VR30 platform will ever need. This version of their popular blow-off valve was manufactured exclusively for Z1 and features a laser-etched logo on the top housing
Valve Features:
- Billet Aluminum Construction
- 38mm Hard Anodized Aluminum Piston
- Boost-Balance Technology
- Available in Black, Blue, and RED!
Includes:
- (2) Diverter Valve Simulators
- (2) Diverter Valve Delete Plates
- (2) Turbosmart Veeport Pro Blow Off Valve
- (2) Silicone Blow Off Valve Hoses
- (2) Silicone Throttle Body to Intercooler Hoses
- Silicone Vacuum Hose
- Install Guide
Fits:
*** This item does not qualify for any additional discounts or promotions *** |
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