4-Stroke Exhaust

Fmf Racing

Fmf Racing 08-24 Yamaha Ttr110/E Powercore 4 Muffler

When it comes to maximizing performance without breaking the bank, look no further than the Mini Powercore 4 by FMF Racing. Designed as the ultimate bolt-on upgrade for your mini, this powerhouse comes in three versions: the standard Mini Powercore 4,...

Fmf Racing

Fmf Racing 12-15 Yamaha Wr450f Powercore 4 Hex Muffler

Introducing the PowerCore 4 HEX by FMF Racing, where race-inspired performance meets affordability. Crafted with meticulous attention to detail and precision engineering, this muffler delivers unmatched power, torque, and durability—all without breaking...