ER Spec Intercooler HotPipe w/Pre-welded HKS BOV Flange for Nissan S13 SR20DET Swap with S13 intercooler. This is needed for any intercooler kit, if you do not have the stock steel Hotpipe. This pipe is 2.25 inch fully Polished Aluminum w/Pre-welded HKS BOV Flange
