Get the Direct-Fit Hoses & Clamps products you need for the intercooler system on your 1999-2003 Ford 7.3L Powerstroke. The factory boots in the intercooler system are often built from inferior materials that can degrade due to heat, oil saturation, and other underhood conditions. The factory boots in the intercooler system are often built from inferior materials that can degrade due to heat, oil saturation, and other underhood conditions. A damaged or torn intercooler boot can cause poor running conditions, and reduce power! Many aftermarket boot kits feature a durable silicone construction for added durability and long term strength. A direct-fit hose and clamp kit generally refers to a replacement component or set that is specially made to fit under your hood just like the factory component it's replacing. You’ll find high-quality manufacturers like AFE, BD-Power, and Mishimoto.