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I'm trying to work within the law. I know that long tubes will give me more horsepower, but none of them are legal for street use here. A lot of guys will do long headers anyway figuring that the chance of getting caught is small, but I'd rather do it by the book.
Besides, 426 is plenty. I just want a little more than stock. I'm not trying to break records.
A well designed shorty will clear better than stock, because of the varying length of the tubes and the bends relative to the order in which the cylinders fire. You want the exhaust from each cylinder to line up evenly in time. The stock design pays relatively little attention to this because they want it to be quiet and somewhat restrictive.
I'm an engineer by training, and I'm confident in my understanding of the technology. What I am interested in is actual experience with the models available for the LS3. How good are the available ones? Do any stand out over the others?
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