Diamond-shape muffler design improves power output
Muffler shape increases durability and performance from muffler packing
Two-stage baffle allows optimal performance throughout the rev range
P99 Pro Series mufflers for applications have P99 baffle (meets AMA MX noise regulations); C96 Competition series mufflers for applications have C96 baffle (meets AMA off-road competition noise limits)
Pro Series exhaust features titanium header construction; Competition Series features stainless steel header construction
Pro Series mufflers have glossy carbon fiber or satin-finish titanium muffler sleeve; Competition Series mufflers have brushed aluminum muffler sleeve
CRF450R systems feature an adjustable aluminum muffler mount bracket
U.S.F.S.-approved spark arrestor insert is standard on Competition Series exhaust
