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Old 01-16-2013, 11:04 AM   #59
swansong
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Quote:
Originally Posted by Slo86GT View Post
Is it more idiotic to think that the Borla exhaust that Shelby is putting on the car provides 0 extra horsepower as well?
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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