Weistec Engineering offers Downpipes for the W205 C63 and C63-S models. ?The downpipes are engineered and designed with the most sophisticated Computer Aided Design tools, excellent fitment and the highest performance possible are guaranteed. Each Downpipe features 3 inch diameter piping and laser cut precision flanges to mate with factory mounting points, giving this system a perfect fit**.?Our M177 Downpipes use OEM coupling to mate perfectly to the turbos and factory cat back exhaust.
For maximum results, the combination of the exhaust with the Weistec M177 ECU Upgrade is recommended
