Not sure with the while cat/axle backs but if you open it up with a o/r x then it'll breath good. If you can afford it, long tubes are a great mod too.
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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