You only really have to worry about the downpipe SD have if your lowered and even then pay attention to where u drive and don't take high speed speed bumps and you'll be fine.
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Good to know, I left mine
2003 Park Avenue Ultra- 15% tint, 12" audiobahns, dynamatted trunk and doors, tinted tails, LEDs all around, HID headlights, f body brakes, sd headers, 3.5 pulley and supporting mods http://www.grandprixforums.net/my-03...tml#post824292