Anyone installed gtr turbos?
Senior Member
Joined: Jun 2019
Posts: 453
Likes: 91
From: DFW, Texas
2017 AMG C63
No, they are not a direct bolt on for the M177 in the C63. The GTR turbos are twin scroll to match the different exhaust manifold on the GTR. There are other differences too. There are multiple threads on here about the differences between the M177 and M178 engines.
