Jed, what do you mean by "it does make a pretty significant difference, when compared to stock"
What kind of difference does it make? Power?
atomarc, that's a good idea, and I'm sure they have access to a lot of that stuff at better prices than buying it from a fancy place. Texas does have emissions testing every year - last year I had to install the cat and an A.I.R. pump even though the truck was not purchased with either, and has passed 19 years of inspections without one. That's what I get for going somewhere new...
