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the company has been around for a wile, but I don't have any experience w/ them but on one of the other forums, somebody posted about jba's for his 3 valve 5.4
I have info on shorty headers, have heard that long tube give better performance. If I am going to fight with this monster I am going to try and get the most performance on the first try. I only found out reading a post on here that long tubes fit on our trucks, with a complete exhaust redo. Thanks