Bikeman Performance POLARIS PATRIOT 850  FULL VELOCITY MUFFLER ( BMP # 02-330-SC) 
 
Fits all Polaris Patriot 850 models.
Mild tone down low with great sound at higher RPM
Muffler runs cool - keeps those temps down!
Great fit and finish
Weighs only 15 lbs
Gains HP (see Dyno graph)
7 lbs lighter than the stock muffler
Extensively dyno & field-tested
No loss in horsepower