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fern your running a flowmaster now, great sound looks good with duals, however a flow is a TERRIBLE muffler for a turbo car, open down pipe make most power, its gonna be loud as hell any fumy as a MOFO!!!!! take off thst flow put a dynomax bullet muffler, itys a straight through style muffle none restrictive, it give it a different sound, my turbo stang sounded good with it, the way yours is set up now its choking it dowm to like inch and half, i ran a 3 inch down pipe with a 3 inch dynomax bullet muffler all the way back, sure mustangs look good with duals but performance wise thats the way to go, my stang made 575rwhp :headbang:
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