2015 Mercedes-AMG C63S Secondary Cat Delete
#52
Senior Member
There’s no loss on mine. On two occasions at the drag strip, I’ve run mid 11’s at 121-123mph. Check out the 1/4 mile thread.
Besides secondary cat delete, I also have drop in low profile dry air filters.
Besides secondary cat delete, I also have drop in low profile dry air filters.
Last edited by crazy1eye; 10-10-2018 at 04:12 PM.
#53
Super Member
#54
Senior Member
Last edited by crazy1eye; 10-10-2018 at 07:33 PM.
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KJ (10-10-2018)