Oh, and I'm doing a 3" drop all the way around for better highway mpg. He talks about torque as well, but I find a lot of his info is very vague. I have read through the tbichips website a lot, but his trucks are typically built for power. Now, I know that sounds dumb at first, but the problem is without the heat the TBI gets real cranky in the winter time and the truck will get about 9mpg :( I'd like to keep the stock manifolds if possible because (I believe) they are part of the EGR system AND they also have something to heat incoming intake air. Would probably save $100 in tube plus the additional labour (I may try to make it myself). LOL! That can't possibly be a restrictive exhaust eh? I was thinking if I wanted to be REALLY cheap, I could just do true duals off the stock manifolds, and basically have chunk of pipe off of each manifold to a cheap turbo muffler, and then side exits behind the cab. What did you do after the long tubes? True duals?Ī lot of internet wisdom states the stock y-pipe is the biggest culprit of the poor exhaust system, because it looks like this:
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