R51 (2005-2012)
So my Cats are blocked and it's time for a new Exhaust system.
233k on the Path.
In Arizona and don't have Smog regulations.
I only have a Volant CAI and G37 coils.
I was thinking of getting headers, Deleting the cats, and running 2 1/2 back to a resonator.
I don't want it too loud but I...