W205 C400 C450 C43 Downpipe kit
Please view our thread in the C63 M177 section, you will see pics / videos post by my customers and me
https://mbworld.org/forums/c63-c63s-...onverters.html
I want upgraded downpipes but want to remain barely legal also.
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Each dyno reads differently and in the past when I have posted charts people start to question everything. So now we just don't do that period, since I don't have the time to reply to each members comments. Customers who want to purchase a set PM or email me and I answer all their questions.
Boost pressure is changed and fueling and timing will need to be adjusted to maximize the gains.
You can run catted down pipes without an ECU calibration... power gains will be mediocre

















