GSE Performance Polaris Sportsman 600 700 800 Performance Exhaust THIS GSE PERFORMANCE MUFFLER INCREASES POWER AND SOUNDS GREAT! This is a slip on muffler with no programmer needed or any jetting required on Carb models THE SINGLE INLET / DUAL OUTLET MUFFLER MADE IMPRESSIVE GAINS ON THE BOTTOM END AND MID RANGE ON THE Polaris Sportsman GREATLY IMPROVES THROTTLE RESPONSE THIS IS A FULLY BAFFLED MUFFLER / NO PACKING TO BURN OUT SO IT WILL LAST FOR YEARS WITH NO MAINTENANCE AND THE SOUND WONT CHANGE. WE DID A LOT OF TESTING WITH THESE TO INSURE THEY WOULD SOUND GREAT AND STILL MAKE GOOD POWER