HT Silicone Coatings solve the problem of exhaust wraps deteriorating because of dirt and debris hitting it. It seals and protects wraps and extends the life of the wrap. The High Temperature (HT) Silicone Coating provides lasting protection for any hot surface up to 1500 degrees. DEI recommend the use of this coating with their exhaust wrap because it seals the material and provides lasting protection from oil, dirt and road grime. Don't limit the use to exhaust header wrap, this products works well on headers, blocks, starters and even on your grill at home. HT Silicone Coating is VOC (Volatile Organic Compounds) compliant in all 50 states. For use with all DEI exhaust wraps, HT Silicone Coating penetrates, seals and protects as well as helping to extend the lifespan of all DEI exhaust wraps. See special instructions below for best adhesion on Titanium exhaust wrap products.