FMF Mini Powercore 4
The Mini Powercore 4 is the best bang for your buck
performance bolt on for your mini. This is the closed
course moto version that features a Hi-Flo stainless
steel core and formed endcaps, 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
- Hi Flo core and endcaps.
- Pounds lighter than stock.
- American made power by FMF, the industry leader
- We highly recommend this exhaust for your stock
bore engine or with one of our 143cc bore kits.