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Interestingly enough, however, Porsche doesn't claim ANY hp increase in their PSE exhausts. Also, Jake has been saying most aftermarket flow thru exhausts don't provide any power gains over the stock system. Maybe the car needs some backpressure to make its optimal power?
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Current: 07 Carrera S Cab in Midnight Blue
Previous: 01 Boxster in Arctic Silver, 86 944 in Guards Red
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