Uhhhh...... I'm not exactly sure since I went with the Meisterschaft full cat-back exhaust & there was a night & day difference in sound. If one only replaces the Y-Pipe, then there might be an increase in sound, but how much difference I'm not exactly sure.
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l Meisterschaft Full Cat-Back Exhaust l F. I. Resonated High Flow Cats l Stillen Gen 3 l M370 Intake Manifold l UpRev l JWT Clutch & Flywheel l ZSpeed HD CSC l Stillen 19 Row Oil Cooler l ZSpeed Powercoated Under Tray l GTSpec: 6, 4, 2 Point Brace l
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