This 6063 Aluminum T-pipe is designed to have a HKS SSQV BOV (or compatible) attached directly to it. The required mounting hardware should have been included with your BOV (they are not included with this item.)
This T-pipe also has a lip on both ends to firmly hold your couplers in place.
BOV is sold separately.This T-Pipe works perfectly with our Type 3, Type 14, or Type 15 BOV.