The Mini Powercore 4 is a great performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle.

FEATURES

• Hi-Flo cap boosts all-around performance
• Computer designed and dyno-tested for every 4-stroke application
• Enhanced sonic evaluation 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 
• optional Quiet Core insert will provide a decrease in sound level if desired
• Available with a screen-type spark arrestor that does not interrupt exhaust flow or performance 

NOTE: This item may be subject to additional shipping charges.