FMF Slip-On Exhaust Aluminium Powercore 4 for 2009-2013 Yamaha YFM90 Raptor
FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE.
When designing the PowerCore4, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won’t break the bank.