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
Not legal for use in California on pollution controlled vehicles| race use only in California - waiver available