Just take the mufflers off and run straight pipes . The cats will quiet down the exhaust plenty. My brother did this to his car(96 GT) and it sounded good.
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1990 Dodge Dynasty with 275,000 miles. Mods:chiped paint, CD player. Sucks but it was free. Praying for a stang.
The "Guetto Glider"
If it ain't broke, you ain't tryin hard enough