I've upgraded to champion ported iron heads and intake with 6466 turbo which appears to be flowing much more than the internal wastegate can manage. Since I'm now in need of an external wastegate setup I'm curious about the downpipe and wastegate sizes that I should consider. I see 3 inch DP is...
I have for sale a used 3" stainless steel GBodyParts.com Downpipe w/ the test pipe. Has a few small dents but it is still in good shape. Asking $400. Will post pictures soon.