FMF 044471 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. Engineered using technology from FMF's top-tier exhaust systems, this muffler provides measurable gains in torque and horsepower while maintaining the rugged durability required for closed course competition.

Key Features:

• Overall increase in power and torque across the entire RPM range
• Durable aluminum construction with natural finish
• Stainless steel midpipe and end cap for long-lasting performance
• Hi-Flo technology internal core design maximizes exhaust gas flow
• Enhanced sonic evacuation for higher flow and increased power
• Space Age internal packing material ensures maximum longevity
• Spark arrestor screen insert included
• Quiet insert available separately for sound reduction

This slip-on muffler is designed for closed course use only and features a hexagonal profile that sets it apart from traditional round mufflers. The combination of aluminum body construction and stainless steel components provides an excellent balance of weight savings and durability. California Prop 65 Warning applies.