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08-31-2014, 02:46 PM | #1 |
Join Date: Jun 2014
Posts: 25
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performance muffler
hi everyone if I put on a performance muffler and its popping when I let off the gas should I readjust the air/fuel mix or is it something else I used the performance muffler off a parts scooter I just got both are gy6 150cc I is the only upgraded so far thanks everybody for your input
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