The Mini Powercore 4 is the best bang for your 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 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 the throttle.

   * Hi Flo core and endcaps
   * Pounds lighter than stock
   * Moto or Spark arrestor version available
   * Big Bore w/ header