Originally Posted by jcasey10
When I first got my truck it didn't have cats and I didn't like it. I felt like there wasn't anything down low in the power band. Especially when hauling a 20 ft trailer with some atv's. It was also throwing a code. I put on one cat and gained some low end torque from the extra back pressure. That one burned out since it was kinda cheap so now I'm runnin true duals with magnaflow hi-flo's. I didn't notice huge difference, but it's still better then no cats at all.
Ok thats the info I was looking for. So you didnt notice much of a difference between no cat and the cheap one or between the cheap one and the magnaflows? I still have the stock muffler on do you think that will help me maintain enough backpressure?