Thermal CL exhaust systems are designed for bolt-in applications and have a deep, throaty sound. CL systems are tuned towards the upper mid-range and top end and are recommended for the more aggressively built vehicle. 

Thermal Research & Development has been working closely with import racing professionals to configure optimum exhaust products for both the street and the racetrack. Thermal Research & Development hand crafts our exhaust systems with maximum horsepower as our top priority.

Thermal exhaust systems are made of stainless steel and are mandrel bent for high flow through bend areas