No new bike responds to intake, exhaust and tuner upgrades like a new Harley® – you’ve got to let it breathe, and optimize the tune! That’s why Zipper’s Performance Products developed these Zip Kits for Big Twins and Sportsters®, and this is why you should consider a Zip Kit over other offerings:

    • Proven, Matched Components That Work
    • Smoother, Cooler, Better Running Engine
    • More Power At All RPMS – More Useable 6th Gear
    • Improved Starting, Sharper Sound, Immediate Improvement
    • Ready To Install, No Dyno Time Required
    • Easy Installation, Just A Few Hours To Transform Your Bike
    • Never Outgrow it – Supports Future Upgrades
    • High Quality, USA-Made Components
    • Kit Price Includes Package Discounts

Included in a Zip Kit is a Zipper’s MaxFlow performance air cleaner, performance exhaust of your choice and the cutting-edge ThunderMax® with AutoTune EFI Controller. The ThunderMax® gives you the flexibility of future performance upgrades with a simple download of a new map. Bolt-on and plug-in the Zip Kit to enjoy the immediate power, cooler and smoother performance and ride-ability gains that ThunderMax® provides!

These Zip Kits for Dyna® models include a pre-mapped ThunderMax® EFI module, MaxFlow air cleaner kit and high performance slip-on mufflers which allow you to retain your factory header pipes.

SPECIAL NOTE FOR 2012 AND LATER DYNAS® – ThunderMax® includes wide-band, 5-wire oxygen sensors that thread into 18mm x 1.5mm bungs located near the exhaust port, same thread size and location as stock narrow-band, 2-wire sensors used on 2006-2011 Dyna® model exhausts. Starting with 2012 models, the oxygen sensors used by H-D® are smaller (12mm threads) heated 4-wire, narrow-band sensors. The ThunderMax® wide-band, 18mm sensors must be mounted in the 2006-2011 location, up near the cylinder head exhaust port. If you are retaining the original equipment 2012 and later exhaust headers, 18 x 1.5mm bungs will need to be added to the existing headers in the upper location (near the exhaust port as on 2007-2011 models), with the 12mm sensors removed and ports capped (2006-2011 header pipes with 18mm sensor bungs can used in place of 2012-up headers without modification). Weld-in bungs and 12mm caps are listed above for modification if required.

 

This product is not for sale or use on pollution controlled vehicles.

Weight 1 lbs
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