CLA 45 AMG (C117) 2013 to 2018

3" decat downpipe - worth it?

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Old 09-05-2017, 07:11 AM
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3" decat downpipe - worth it?

Hi guys!
I have the opportunity to buy for a very good price brand new, stainless, decat downpipe and midpipe. The trouble is that the downpipe has a 3,5" inlet and just after the inlet DP narrows down to 3". Midpipe is 3".
Is this enough diameter for high performance purposes? What is oem downpipe diameter? I have an 4" ams intake, rebellion box, and in the future I think about hybrid turbo (and full ecu remap of course).

cheers!
Old 10-03-2017, 12:54 AM
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2010 E550
You'll get a CEL even with a high flow cat 200 cel.

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