slip on exhaust

Has anyone purchased the Yoshimura slip on muffler for the G2 ? Do I need a tuner Is it loud Feedback appreciated

Just picked up one of the last 2012 outty 650 xt in the state of mn. Totaled my 2010 because while going through a thick swamp some how the free wheeler lever on the winch got bumped and let out cable that wrapped around the rear end and pulled everything up underneath. finally got it out of...

I live in Middle Tennessee area and am looking for someone that can tune and re map my fuel for my 08 outlander 650. I have added a slip on exhaust and dual stage air filter. I would like to try to get the most power out of my machine and have someone tune mine who knows what they are doing. I...

I just purchased a Big Gun slip on exhaust. The tag that came with the exhaust is claiming I must re map the efi or it could result in enigne and exhaust malfunction and damage. Is this true? Will my atv be damaged if I dont re map the efi? Any help would be greatly appreciated. Thanks