5 February 2012, 3:02 pm
I want to add dual flow master exhaust/muffler/exhaust tips to my 2000 ford crown victoria police interceptor... I want it to sound very good. But DO I STILL NEED MY O2 sensors(oxygen sensors) when i add this??? And what serious would you recommend? I dont want it to loud or too low... I want it just right.... Read More »