UPDATE after 1 year:
Daily drive my car and no complaints other than the gaskets they provide are cheap quality. Use the OEM gaskets instead. No cracks, no weird vibrations. Sound and fit great.
Racing my friends identical c63 (same tune, same mods, his long tube headers are more expensive version), mine pulls slightly more. (May be unrelated to header design differences, but they aren’t hindering power).


Took a gamble and ordered some headers from Alibaba. Turned out to be a lot nicer than I was expecting.
Total shipped was about $720. Headers cost about $420 plus shipping and fees.
Took about two weeks to get them in.

Few tips and tricks to installing them yourself, plus some sound clips.

Filmed with iPhone 12 plus.

Link to headers I purchased.

JTLD high performance Longtube Headers and Midpipes with bolt onFor W204 AMG M156 C63 E63 CLS63
[ Ссылка ]

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