Performance Bolt-On Mods

At Westcott Designs, we pride ourselves on manufacturing and supplying countless individuals with the aftermarket vehicle accessories they need most. With personal experience using many different aftermarket accessories ourselves, we saw that there was a need for a supplier of high-quality aftermarket accessories. It was this realization that has inspired us to manufacture and supply products that improved upon the many shortcomings of other products on the market.

Our performance bolt-on mods are no different. These bolt-on components are capable of providing you with true performance increases without requiring the need of permanent modifications to your vehicle, such as our 2010-2018 4Runner supercharger kit. Browse our selection of easy-to-install performance bolt-on mods today.