Originally Posted by boyd_835
i was wondering i have an 2001 and i have like 2 cats and some little cat muffler at the bottom of the header will i get a check engine light if i remove all that and put in just one high flow cat ?? that too me is way over kill im looking for mileage and that seems super restrictive and extra weight
Most people will recommend on NOT removing the cats. Will it sound better, yes. But you will lose power because of loss of backpressure. Also from the factory, the cats that are on the Ranger are high-flowing catalytic converters.