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Discussion Starter · #1 ·
Hi Guys & Gals,
I am a fairly new lady rider and in love with my FZ-07. I installed an M4 slip on exhaust which sounds amazing. There is some popping and backfire now and then and am wondering if I need to address that. I am not one to take my bike apart and work on it, just not that knowledgable. I have heard either ECU flash or EJK?? What do you experts recommend? The salesman at Yamaha says I don't need to do anything?!
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