Choose the best exhaust stacks for your rig. We have a huge selection of pipes from 6" to 8" with the most popular being West Coast Curve Stacks, Bullhorn Stacks, Flat Top Stacks and Mitered Stacks. You can buy separately or as a kit. With all the different styles we carry you can choose something that matches you and your truck. Adding a new set of pipes gives you and your ride a unique and new look. If there is anything you need that you don't see on our website or if you have any questions please just call us and we will be sure to help you. We now have Free Shipping in the U.S. and no sales tax to U.S. customers.