GKTech - Z33 350Z HR/Z34 370Z NO HOLE COLD AIR INTAKE SILICONE KITOne of if not the best value for money mod that every performance motor benefits from is an aftermarket cold air intake kit. The VQ35HR and VQ37VHR fitted in the late model Z33 350z and Z34 370z is certainly no different with power gains of 15hp+ achievable when using the GKTech intake kit (in this case, combined with your own pipework and filter) We have made complete kits for the Z34's but understand that some people prefer a more DIY approach. This