U.S. Forestry approved spark arrestor
Megamax II is a reverse cone megaphone design and can be run open for closed course or with discs for off-road riding
FMF has radically improved the PC IV by creating a modular end cap that allows for easy tuning with various end caps that alter the power band around the needs of the rider. Quickly changed, the standard Hi-Flo 2" end cap, the optional 1-3/4" end cap for a smoother power delivery and the spark arrestor module all give the PC IV substantial versatility and tremendous performance gains

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