Project 2004 Saab 9-2X: Part 4
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Backpressure, boost and sound intensity for the stock, A'PEXi and GReddy exhausts as logged by a Labjack datalogger. You'll note these boost traces do not match with the boost data from the ECU that is presented later. Regardless, seeing the trends still helps to evaluate the differences between each exhaust. View Related Article
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