Thread: X Vs. H Pipe

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I was able to run an "H" pipe straight across because my pipes were fairly low. A channeled body will do that.

I hung the exhaust, then marked and used a holesaw to cut a hole where the "H" would attach to the headpipes. Then I measured the angle of the headpipes and used the TUBEMITER program to make the pattern for the fishmouth on the cross pipes. Cut the cross pipes to length, tacked them on, put a flange in the middle, then tacked the flanges. Then I unbolted the flange, dropped the pipes and welded it all up.

My pipes are welded solid from the header flange to the outlet. However, if I unbolt the "H" pipe flange and the header flange, they slide back and drop down.