Slip-Ons

FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of ridingAluminum construction and stainless steel Hi-Flo endcaps...

Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of ridingAluminum construction and stainless steel Hi-Flo end caps make for the perfect...

Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of ridingAluminum construction and stainless steel Hi-Flo end caps make for the perfect...

FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of ridingAluminum construction and stainless steel Hi-Flo endcaps...

FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of ridingAluminum construction and stainless steel Hi-Flo endcaps...

Fmf Powercore 4 Muffler 043379 Suzuki -- DR 650 SE -- (2004, 2007, 2012, 2011, 2002, 2001, 1999, 2005, 2006, 2014, 2009, 2000, 2003, 2008, 2013, 1997, 2016, 2018, 1998, 2017, 2021, 2015, 2019, 2020, 2022)

Overall increase in power and torqueDurable stainless steel and aluminum constructionAdvanced packing material for maximum longevityRemovable spark arrestor included Kawasaki -- KLX 400 SR -- (2004, 2003); Suzuki -- DR-Z 400 S -- (2010, 2011, 2020, 2000,...

Powercore 4 Hex Slip-On Muffler - Kx 250 042409 Kawasaki -- KX 250 -- (2025)

Fmf Powercore 4 Hex Slip-On Muffler 042401 Kawasaki -- KX 450 -- (2024)

Fmf Powercore 4 Muffler 042392 Kawasaki -- KX 250 -- (2021, 2022, 2023, 2024); Kawasaki -- KX 250 X -- (2021, 2022)

Hi-Flo end cap boosts all-around performanceComputer-designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA stainless steel mid-pipe mates to the computer-designed...

Overall increase in power and torqueDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo technologyEnhanced sonic evacuation provides for higher flow and increased...