Hi Mack, thanks for the reply. I assumed Greddy and HKS will work with modding the wastegate plumbing. What turbo have you installed on a S13 RB26DETT? How far was it from the shock tower. I know teh S13 has more space than the Skyline...FAST-DATSUN wrote:None are a direct fit!!!!! and all require some minor mods usually the waste gate piping. We use GReddy..