Quote:
Originally Posted by M5 TT
is there much to be had from de-cat?. Wild claims of 40+whp but i find that hard to believe. I see a guy (allmotor_2000 I think) on the F10 forum saying cats are fine till 900bhp?
I am leaving in the primary cats due to smell and i dont need every last drop of power. Removing secondary for a bit more noise. OPF will be deleted as well.
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I recommend upgrading to high flow catted primary pipes for best power and catless secondary pipes for the best sound