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Originally Posted by nvsteve
Hi Doc:
Quick question on retuning.
Touring bikes with stock headers have an obstruction where the rear header
meets the front. I'm not speaking of the intenional one at the top of the rear cylinder. It can bee seen looking up the right side exhaust when the muffler is remove.
Mine "hangs" down at least a 1/2 inch maybe 3/4.
Does it make sense to cut it out and if I do would a retune be necessary.
Stage 1, PC111.
Thank, Steve
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Steve I would imagine you will get a little more flow out of the front cylinder but not so much that a tune would have to be done to match it. The gain isn't worth the labor with that system in my opinion....plus that little tab sticking into the pipe could be to stop reversion entering the front cylinder sending the pulse wave up the rear pipe and out the left side pipe.......
just a thought.
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