Full Velocity (Trail) 02-330-SS - Category_Default Category/SXS/Big Bore Kits We extensively tested these products

We extensively tested these products together to give the most performance possible

adjustable weights &  Primary Spring

there is a greater chance of them being fully opened as well as a better chance of sealing when they are "closed"

The stock XP800 muffler weighs just shy of 16 lbs

Full Velocity (Trail) 02-330-SS - Category_Default Category/SXS/Big Bore Kits We extensively tested these products3 4 WEEK BACK ORDER Mild tone down low with great sound at higher RPM Muffler runs cool keeps those temps down! Great fit and finish Weighs only 9 lbs Gains HP (see Dyno graph) 7 lbs lighter than the stock muffler Extensively dyno & field tested No loss in horsepower