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Brute Force 750 backfiring

3K views 4 replies 3 participants last post by  nj kawi 
#1 ·
For some reason my brute force has started backfiring. It does it when i slow down or when my engine breaking is in use. And sometimes just randomly. It's been doing this for a while now so its starting to concern me. Anyone have any ideas why its doing this or how to fix it?
 
#3 ·
So would buying an aftermarket exhaust fix this? Because I was gonna buy dual muzzy's anyways.
 
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