FMF 042401 PowerCore HEX Slip-On Muffler with Spark Arrestor - 4

The FMF PowerCore 4 HEX slip-on muffler delivers race-inspired performance at an economical price point, offering improved torque, increased horsepower and rugged durability for four-stroke dirt bike applications. This aluminum-constructed muffler features a gray anodized finish with a stainless steel midpipe and endcap, providing both aesthetic appeal and long-lasting performance.

Key Features:

• Overall increase in power and torque throughout the RPM range
• Durable stainless steel and aluminum construction
• Space Age internal packing material for maximum longevity
• Internal core shape uses Hi-Flo technology
• Enhanced sonic evacuation provides higher flow and increased power
• Includes removable spark arrestor screen insert

This is a slip-on configuration designed for closed course use only. Compatible with FMF or stock OEM headers. Quiet insert sold separately for riders seeking additional sound reduction.