Pro technicians at Zipper’s Performance Products spent countless hours dyno testing exhaust systems for best overall performance, sound and shape of the power curve. Choices are limited to a focused pair of brands that offer quality craftsmanship and exceptional performance. These Competition Only exhaust options for Milwaukee-Eight®, Twin Cam®, Evo®, Sportster® and V-Rod® models from D&D® and Khrome Werks®.
Many Exhaust Systems listed on these pages maybe designed for competition Race Use Only. If you are unsure, please contact a Zipper’s Representative prior to purchasing on the website.
Not legal for sale or use in California on any pollution controlled motor vehicle.
Not legal for sale or use on any EPA pollution controlled motor vehicle.
This is an old racer’s trick that has gained popularity lately for both style and function applications. Some riders just like the look, but there are performance (retains the most heat in your exhaust system) and comfort (reduces the most amount of radiant heat) benefits as well. Charcoal black color; sold in a 50 foot roll. Figure you’ll need approximately 40” of wrap per foot of 1-7/8” diameter straight pipe (more for bends).
Here’s a simple, quick fix for annoying decel popping on pre-2009 Touring model bikes with stock headpipes and low restriction, straight-through style mufflers.
Ensure your new pipes are installed leak-free with new gaskets and flange hardware—leaks at the head affect engine tuning and are a decel-pop enabler. For all Evolution® and Twin Cam® model engines.