Right - Left pipe kit (fits to the stock, secondary catalytic)

Connecting pipes for fitting of the Supersprint long tube headers with the OEM secondary catalytic converters.
For Mercedes C204 and W204 C63 AMG, Black Series models included.

The right side pipe includes the connecting ring on the outlet, to use the OEM clamp.
The left side pipe includes a short sleeve with screws. It's necessary to cut the OEM component as the primary and secondary cat are a single component.

Primary ad secondary O2 sensor bungs included. ECU tune compulsory to avoid the triggering of the Check Engine Light.
The reprogramming is recommended to remove the throttle limiter and get the real power of the engine.