Ceramic for sure. Spend the extra money. You could buy chrome ones and have the ceramic coated locally but that'll cost just as much if not more than buying ceramic ones. Unless you can find cheap longtubes in whatever finish then coated. Also you can choose a color at a local place that coats.
2003 GT - full bolts ons, suspension, and drag radials
1998 cummins - 150hp injectors | FASS fuel kit | 4" straight pipe | 5" lift | BHAF | 20" wheels | edge juice w/ attitude | built auto trans with stall | closing in on 900tq | bigger turbo soon..
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