Today I had an exhaust shop chop off my suitcase muffler and weld in some piping. It gave quite a good gain of power with the 3'' test pipe I have on. I will get some sound clips tomorrow if anyone is interested, it sounds pretty good.
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99.5 Audi A4 1.8TQM - Plenty of mods (in body shop getting pretty) 91 Talon TSI AWD - for sale (transmission syncros are going out)