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New CRF 70 05-12 FMF Powercore 4 PC4 & Head Arrestor Exhaust Pipe Silencer
05-12 CRF70 PC4+HEAD ARRESTOR, FMF 041179. The 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 the throttle. Hi-Flo Core and End Cap. Notice: Closed Course Use Only Item ID: 041179 Type: System Spark Arrestor: Internal Carb Warning: no Header Const: Stainless Steel Header Type: Hi-Flo Weight: 3.5 lbs. We are not just an internet based company we have a full retail shop.