I finally made it to the dyno with the first ever Barker’s slip on for the Sportsman XP’s. Like most slip on exhausts my expectations were low. I love the sound but didn’t expect the system to make any gains. I was wrong, this exhaust made 2HP and 1.5TQ. This was a stock 2009 Polaris Sportsman XP 850 with no other modifications other than a direct slip on swap, stock vs Barker’s. The air fuel ratio began to lean out but not to a dangerous level. This exhaust will benefit from a fuel controller and we expect it to make anywhere from 3-5hp. More testing to come in the future. This is just a prototype. Aside from the power gains this system is extremely high quality and will not fall apart like other systems which I have experienced myself. I will update this post in the future when we make it back to the dyno. On that note, here it is. An exhaust system with proven dyno results!!! Power gains were made across the board!!!
Barker's Performance Exhaust | ATV, UTV, Snowmobile, Motorcycle Exhaust ? Barker’s Performance