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Cashburn,

I haven't tried the tailpipe expander, but I know a couple guys who did and they couldn't get the pipe expanded. Maybe a cheap tool or something? I should look into this!

DC Cobra,

I think your solution is the best. I am not sure why they didn' t build it that way in the first place. I heard it was because of the dimensional differences in engines and the ease of installing slip joint pipes. In any case this style leaks and gets pretty irritating with lots of backfiring.

It sounds like you already have done the welded flange method. Do you mind telling us what it cost?