One of the first things many people want to do when they get a Harley is make it sound like a Harley and also run better. The cure is to install what is called a stage one kit.
For over thirty five years, Zipper’s Performance Products has been the premier performance resource for professional technicians, performance enthusiasts and racers of the Harley-Davidson motorcycles. Zipper’s Performance set the pace for the rest of the industry by being the first to develop reliable, pre-engineered Performance Kits for Harley engines and that is why I chose their parts for this project.
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