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  1. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    I drive a 03 9-3 vector 2.0T 6 speed. Last night I took on the project of installing a 3" in/out borla XR-1 sstraight through muffler, in place of the huge stock one. I only replaced the muffler no piping, results are a mildly louder exhaust with a nice tone, and can feel a diff in acceleration...