ACCEL 2002BM 2" x 25' Matrix Exhaust Wrap Minimizes radiant heat by up to 50 percent Boosts horsepower as exhaust scavenging lowers intake temperatures Can withstand 1200 degrees continuously and up to 2000 degrees intermittently Woven from crushed volcanic rock and much more durable than fiberglass wrap Comes complete with four 14 inch stainless steel tie wraps and detailed instructions