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-   Ironhead Sportster Motorcycle Talk (1957-1985) (http://xlforum.net/forums/forumdisplay.php?f=7)
-   -   Ironhead 77-78 OEM exhaust baffle removal (http://xlforum.net/forums/showthread.php?t=2071532)

natez1 10th June 2019 04:47

All I did was use a 2 1/2 (I think??) hole saw on the end plate. Just made the opening bigger and bypassed one of the baffles, not too loud and opened up the restriction. How does a 1000cc motor breath through a little 1 1/4 pipe anyways!


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