I already have the Dougs headers on the car, and have been assuming that tti will build the exhaust to fit my headers? I talked to a gentleman at tti and he said they don’t do that anymore, and the exhaust matches tti headers, mine will need some fabricating on the drivers side. I did make a “s” bend to temporarily hook up my old exhaust. So, has anyone hooked up tti 2.5 or 3 inch H pipe exhaust to Doug’s D452 headers? While we’re on the subject, I had to massage #1 tube to clear the torsion bar, and #2 has lightly contacted the shock tower, no big deal on either. Also they discolored breaking in the hydraulic cam, but they warn against this, so my fault. Thanks for any input!