RENNtech stainless steel long tube headers for the CL 63. Our T-304 stainless headers are purge welded and feature top of the line big tube 2" diameter tubing. The headers and 200 cell tri-metal sport cats are then ceramic coated to reduce latent heat in the engine compartment as well as combat against thermal stress.

We ceramic coat our headers to retain heat within them and minimize latent heat in the engine compartment and combats against thermal stress. Ceramic coating also increases exhaust-gas velocity as hotter gasses expand quicker allowing them to travel faster. By ensuring the internal header bore surfaces are smooth; turbulence is further reduced. The net result is more effective cylinder scavenging, which again offers a power increase.

Our long tube headers produce an incredible exhaust note and bump the already potent CL 63's performance an additional 25 hp and 13 lb/ft of torque at the wheels.