Leave the hustle and bustle of big city life behind when you arrive in historic Cookeville, host city of the TN H.O.G.® Rally.Come early to enjoy "off the beaten path" natural geological sites, nostalgic destinations and great home cooking.
Don't forget to visit the ThunderMax Crew during this event! The ThunderMax Team will be located at the Putnam County Fairgrounds in Cookeville, TN - May 31 through June 2.
Stop by our booth to view samples of the new products. We'll be happy to answer all of your ThunderMax Fuel Injection questions.
New! Rider Programming Mode for ThunderMax Throttle-by-Wire
The ThunderMax "Rider Programming Mode" is a new feature released for ThunderMax Throttle-by-Wire applications for 2.0 or greater firmware. The "Rider Programming Mode" is used to access and adjust basic settings of the ECM without the need for a computer (after initial set-up).
We're Here to Help You Reach Your Performance Goals!
Not able to attend the H.O.G. Rally in TN? Give Zipper's Performance Products a call. Zipper's Performance Products' friendly and knowledgeable sales staff is ready to answer all of your questions about the latest products for your Harley-Davidson® motorcycle.