Quote:
Originally Posted by Josh4uto
Would hurt motor any? Ans is there certain length the pipes should be so that has right amount pressure ?
Notice cruisers run lot straight pipes
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Straight pipes probably wouldn't hurt the motor, but it will hurt your ears and your standing with anyone within earshot, and it will hurt performance. If you want louder without hurting performance you'll need a header or aftermarket slipons. I'm just guessing that your 600 was a 4 cylinder, if that's the case the 250 will never sound like that no matter how loud you make it. We run our 250's (3 of them) with Muzzy headers with stock jetting, they run a tiny bit lean in the midrange but are close to spot on at wide open. (these are track bikes)