Power to the Sportster!

The Wide-Band, Closed-Loop ThunderMax EFI System is now available for all 2010 XL-model Sportsters.  The ThunderMax with AutoTune has been re-designed to fit in the new-for-2010 ECM location, making installation a breeze.  The ThunderMax for 2010 XL Sportsters includes a pigtail harness for easy access to the communication port.  Simply install, plug-In, download a base map and go for a ride.  Let AutoTune fine-tune your base map to your riding habits and conditions... as you ride.

Zipper’s Performance Products

410-579-2828

www.ZippersPerformance.com    

www.Thunder-Max.com