The following graphic representations were provided by K. Hastings after he installed the Big Mouth on his C4 Corvette He's shared his own data over a range of driving conditions and the results speak well of the real world performance he's gotten from his Big Mouth. Keep in mind that each Corvette is going to respond according to its environment its overall condition and various other factors. Your own results may vary a bit from these numbers, based on a combination of normal operational variables.

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