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also what size piping should i run....and should i run full length exhaust or just dumps after the muffler...
In the "old" days that would work. But with the new dyno check, I don't think that will work unless you can get the Tech to punch in your trucks numbers and put another truck on the mechine that will pass. I don't know anyone that will do that though. The fines are too steep.or if you fail... you can try the ole heres a 50 pass it technique...