FMF YAMAHA WR450F 20 25 POWERCORE 4 HEX MUFFLER

FMF POWERCORE 4 HEX MUFFLER

All FMF Exhausts are hand-built from start to finish in the United States, offering unsurpassed quality and integrity in every product produced in the Flying Machine Factory in southern California. Specializing in both 2 stroke and 4 stroke exhausts, FMF is the go-to exhaust brand for factory race teams around the world. As the official exhaust of the AMA world championships, you don't have to look very far to find an FMF system in the premier supercross and motocross competitions on the planet.

The PowerCore 4 Hex Mufflers from FMF are one of the most commonly sought after exhaust upgrades for four-stroke dirt bikes on the market. Available at a far more friendly price point than the higher end FMF mufflers, the PowerCore 4 HEX is one of the best value-for-money muffler upgrades you'll get your hands on. When FMF designed the PowerCore 4 HEX, they took a leaf out of their top of the line product range to deliver race-worthy performance at an economical price. These things offer an improvement in torque and responsiveness, an increase to the horsepower of your machine, and offer some solid long-lasting durability, all at a price that won't have to mortgage your house for. 

When designing the PowerCore 4 HEX, FMF 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.

FEATURES

• The overall increase in power and torque.
• Durable stainless steel and aluminium construction.
• Space Age internal packing material for maximum longevity.
• The internal shape of core uses Hi-Flo technology.
• Enhanced sonic evacuation provides for higher flow and increased power.
• Includes removable spark arrestor.
• Can be used with FMF or Stock OEM Header