Too much heat can lead to detrimental results for engines, fuel systems and vehicle occupants. Thermo Tec stainless steel clamp-on heat shields block over 95 percent of radiant exhaust heat. These strong, flexible shields simply wrap around your exhaust pipes and clamp in place to contain the hot temps. In fact, they've been shown to reduce heat under the hood up to 70 percent translating to increased horsepower. Keep your vehicle cooler with Thermo Tec stainless steel clamp-on heat shields, available in multiple lengths for a variety of applications.