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  1. Si Injen Exhaust- LOUD!!

    So, I've been here for a few months but this is my 1st post. Bought an Injen catback from the member classified forum 2 months ago and just got around to install. No muffler, 1 resonator, 2 titanium blued tips. I'M IN TROUBLE. My wife hated my catless exhaust on my old HHR SS and was happy...