Quote:
Originally Posted by Slo86GT
Is it more idiotic to think that the Borla exhaust that Shelby is putting on the car provides 0 extra horsepower as well?
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It's possible. Aftermarket exhausts have been shown to give minimal to no gains over the stock SVT exhaust. Plus without a tune, the ECU might not know how to properly utilize an upgraded exhaust. Or perhaps Borla/Shelby just haven't dyno'd and documented the before/after yet. IIRC the Borla kit is still a work in progress at this point, and hasn't been officially released.
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Mine: 2002 Focus SVT: 137k, Sonic Blue, #1654, Moonroof, Winter Pack, Audiophile
Mods: Tom's Tune, Borla, CFM STS, painted Machs, Euro grille
Hers: 2010 Focus SES: 60k, Ebony, Auto, Moon and Tune
Mods: Stock!
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