I would like to run the long branch round ports on my 73 GTO. That way I wouldn't have to think about going to headers. I run the reg. round ports right now but would like to go to the long branch for the extra flow. The long branch's will fit on all the 73-77 A-bodies & Grand Prix's, & of course all the B&C body cars. There is a big market for them if they would just start making them again. I don't know who THEY are but the long branch were made a while ago so they should start to remake them again.
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