Going to be upgrading exhaust. Got a gen v top swapped l26 in a 02 gtp. Going to go full size intercooler. Have SD headers and a bunch of other stuff but not CAM yet. Should I get a 3 inch. Heard different stories its better to run the stock size unless turbo? I hate drone so dont know if the 3 inch will add more but looking at a 30" glass pack, no cat, and dynomax vt mufflers to help with the drone (mixed reviews on these as well but they are 70 bucks on ebay and seem decent). 3 inch is only a little more money so if its benificial for my set up I will get that, if not I will stick with stock size.
