CMI Launches New 520 Upgrade Package

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It’s official: Custom Marine Inc. has released their NEW 520 Upgrade Package. We here at Teague Custom Marine couldn’t be more excited about these cutting edge new products. The 520 series utilizes CMI’s patented cool collar technology we’ve come to know and love. In just one afternoon you can increase your vessel’s horsepower by up to 48 HP. Sounds like a winner to us!

Here’s more info about the 520 Upgrade Package:

520 Sport Tubes

  • Increases in Horsepower up to 48 HP
  • Downturn collector improves water fill
  • Improved mid-range acceleration and torque
  • Polished finish available
  • Equalized primaries for greater performance
  • Patented “Cool Collar” design
  • Mandrel bent and formed from high quality 316L grade stainless steel

    • View 520 Dyno data

    520 E-Top Headers

  • Increases in Horsepower up to 31 HP
  • Direct replacement — works with existing exhaust outlets
  • Improved mid-range acceleration and torque
  • Polished and satin finish available
  • Patented “Cool Collar” design
  • Mandrel bent and formed from high quality 316L grade stainless steel

    • View 520 Dyno data

    Don’t forget about our CMI promotion for the month of May! Teague Custom Marine online shoppers can take $200 off any purchase of complete sets of CMI Headers. CLICK HERE for more info.

    Teague Custom Marine is your #1 source for all CMI headers, tailpipes, parts & accessories, being the largest CMI stocking distributor, also offering worldwide shipping.