FMF Mini Powercore 4 Spark Arrestor Exhaust Honda CRF/XR 80-100 | 041015 dirt 2010 - YFM400FBI Big Bear

2010 - YFM400FBI Big Bear 4WD [IRS]

Forestry approved spark arrestor

2019 - 150 SX

use Ride Eng

32lbs) pair

FMF Mini Powercore 4 Spark Arrestor Exhaust Honda CRF/XR 80-100 | 041015 dirt 2010 - YFM400FBI Big BearThe Mini Powercore 4 is the best bang for your buck 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