I don't think it changes anything but it is longer than my FMF and my customer says its quieter. Plus it has a spark arrestor on it to make it legal here!
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Claude
2019 XC300
2010 Nambotin 300 sold
'07 EC300 sold
'06 EC300 sold
'78 Suzuki RM250C2
'75 Yamaha YZ250B sold
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