Aug 17, 2020 #1 K kendal2 New Member Joined Oct 6, 2015 Messages 21 Car cls 320 cdi (2005) Wondering any much of a gain on a downpipe on this engine? Its the same engine as c300 the m274 engine. Would I need to get a remap after a downpipe and would it be much louder or just slightly?
Wondering any much of a gain on a downpipe on this engine? Its the same engine as c300 the m274 engine. Would I need to get a remap after a downpipe and would it be much louder or just slightly?
