whats up ? so i just bought a 2006 acura tl 3.2 and i have this code..what are my options to fix this? i was thinking of just having my cat deleted? and if i do that will my car be loud? if so what can i do
to have a nice deep tone but not loud exhaust? i also have the codes p1078 (intake mainfold runner control (imrc) system malfunction (high rpm) and intake mainfold runner control (imrc) system malfunction (low rpm) i just ordereda new oem Actuator assy bypass should be here by thursday to get rid of those codes. is it dangerous to drive with a broken one for now? thanks

 

Google is your friend....p0420 is somewhat common and a couple of things to try before jumping to cat replacement.

https://www.google.com/search?q=p042...s-fixes-114%2F