The crew at PPC recommends that you give them a call. We have the know-how and the proper equipment to pump up the horsepower on your ride! Power Performance Custom offers a wide variety of Zipper Performance Products, such as the Muscle 107 kit for 2007 - Up or even the Muscle 110 for 2008-2015 Twin Cam® engines to name a few. PPC recommend Zipper because of the quality and reliability. There upgrades kits deliver fantastic power curves with both torque and horsepower reaching the engine full potential and yet being fully reliable. Just know that the Zipper has carefully developed these packages with optimized compression, porting, camshaft design and inlet flow, combined with the best-in-class finish work, extensive dyno and ride testing to deliver a very balanced engine kit that will not disappoint!