Ford Mustang Forum - View Single Post - Any HP Gain with Single Exhaust System?
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post #6 of (permalink) Old 06-30-2006
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Mustang04Guy19's Avatar
Joined: Mar 2006
Location: USA
Posts: 286
i wanted sound and hp, so i got dual flowmaster 40s. the 2.25 is the best size for the v6, and i can really feel the difference in my car off the line.

2012 Kona Blue Mustang GT Premium Manual
Mods: Roushcharger, Carbon Fiber Driveshaft, MGW Shifter, Flowmaster Hushpower Cat-back, various suspension upgrades
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