Im looking to get a ds 650 and before i invest in a quad/ performance upgrades i want to know the hp #s for a Ron Woods Stage 1 kit. also is the exhaust system USFS approved and does it have a spark arrestor? any input would be nice and dont hate me if this has been posted before. thanks

 

granted its bias being from the company...but did u look at the site...www.rotax.net...also alot of guys have been saying the hpr company is a good company as well....www.hpresearch.net..see if that will help