Performance Zip Kits for New or Stock Harley® Models
So, You’ve Got a Stock Harley®…
Are You Bored With It Yet?
Does a twist of the throttle make you smile, or wish you had more power? Install a Zip Kit and in just a few short hours, you can experience the thrill of a much smoother, more powerful and cooler-running bike.
Customer Testimonial Received: 8/20/2012
"I just installed the ThunderMax® and OMG! What a difference! Easier starting and more power! It’s AWESOME! The Zipper’s salesman really hooked me up, too. He pre-loaded the base map for my stock bike and I followed the instructions exactly. It seems the more I ride it the better it gets! THANK YOU VERY MUCH." – K.L., USA
Zip Kits for Big Twins and Sportster® Models from 2007-2013
No bike responds to intake, exhaust, and tuner upgrades like a stock Harley-Davidson®. Zipper’s Performance Products developed these Zip Kits for Big Twins and Sportsters® to make it easy to upgrade your motorcycle. You get everything in one part number and save money with built-in product package discounts!
Why Choose a Zip Kit vs. Other Similar Offerings? Consider this…
For over 3 decades, Zipper’s Performance has specialized in high quality components and services. Experience the difference quality makes with the best engine management electronics, engine parts, and driveline products and services available. Our knowledgeable staff is on hand to help you reach your performance goals.
Not for sale or use on pollution controlled vehicles. ThunderMax 50 is available for emissions-compliant applications. Visit www.Thunder-Max.com for more details.
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