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The Mini PowerCore 4 is the best bang for the buck performance bolt on for your mini. Offered as a closed course moto muffler or as a spark arrestor version, the Mini PowerCore 4 features Hi-Flo stainless steel core and formed endcaps, aircraft grade aluminum canister and durable stainless steel header, the PowerCore 4 is pounds lighter than stock and you’ll swear the motor has been bored and stroked with the first twist of the throttle. No matter the wheel size or displacement, performance is always measured the same. Bolt on the Mini PowerCore 4 and FEEL THE POWER!

• Hi-Flo core and endcaps
• Pounds lighter than stock
• Moto or Spark Arrestor version
• Big Bore version recommended for 88cc or larger on XR/CRF, and TTR 50



• Click Here for Powercore 4 Mini Exhaust System



• Click Here for Powercore 4 Spark Arrested Mini Exhaust System


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