If you drop down the glove box (two things that push inwards on the sides) you will see an amp (the only thing in there with heatsinks) If it is bypassed the amp will either be gone or won't be connected.
1999 Mystique LS V6
Alpine CDA-9807, Rear deck sub, Opt. TB, K&N RU-3530/MAF adaptor, custom heatshield, FSVT 17's, SCT 4-program chip, Eibach's/ST200's, Hella Fogs...
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