by DMan1198 » Thu Mar 03, 2016 10:05 pm
Umm just putting this out there, but are you aware you don't need that secondary spacer when running the secondary in that orientation? It's only actually needed if running the secondary facing forward with the manifold up like I did with my compounds
I don't know if these numbers will actually help, but I got them off an he551 to 4" 90 (turned out to be the same size flange as standard cover s400's) it's a much tighter radius than what you have there
066882
3682674
Ducati- professional nap taker, and thread derailer extraordinaire
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