Exhaust Systems
Muffler Hex P-core 4
Part # 1811-3799
$449.99
NY: 2
National: 20+
- —Hi-Flo end cap boosts all-around performance
- —Computer-designed and dyno-tested for ever 4-stroke application
- —Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power
- —A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability
- —Round perforated steel inner cores make for optimum flow, using hi-flo technology
- —FMF's exclusive cross-weave internal packing provides longevity and maximum sound dispersion
- —Elliptical aluminum can offers strategic sizing for superior performance
- —Closed course competition use only.
Calculated shipping at checkout
30-day returns on unused parts
Ships in 1–3 business days
Specifications
Pipe MaterialStainless Steel
Weight7.05 lb
TypeSlip-On
UnitsEach
End Cap MaterialStainless Steel
Product NameMuffler
ModelPowerCore 4 HEX
Muffler Color/FinishRaw
Muffler MaterialAluminum
Riding StyleOff-Road
Weight3.1 lbs
Dimensions (L x W x H)37" x 6.5" x 6.5"
Fits These Vehicles (7)
CRF450X2025
CRF450X2024
CRF450X2023
CRF450X2022
CRF450X2021
CRF450X2020
CRF450X2019
Not sure it fits? Call our Harley techs at 607-654-7431.





















