U.P.G. HKS 4R single turbo conversion hotpipe to OEM piping

This cast pipe will connect your HKS 4R turbo kit to either the OEM intercooler tube or to an aftermarket piping kit. We have confirmed fitment using the HKS 4r turbo kit on all of the Skyline GTRs. 

The inlet is 70mm and the outlet is 80mm