do the Chinese GY6 engines have an exhuast restrictor?? That motor is in most of the Kazuma and Redcats..?? i have a marshin 150cc and wondered if there were any mods out there to improve the power. i will replace the airbox and rejet and was wondering if Raceway had performence exhaust's

Thanks

 

Bill2099 told me about bladeatv.com, awsomebuggys.com, and miamimoto.com
They have exhaust systems and everything. Or for exhaust try theoffroadoutlet.com
You'll find their number on that site. Than ask for the exhaust pipe they have. I heard its
around $250 for the silencer and pipe combination.