I have a Code Alarm and it servs its purpose. Tap and it chirps, tap again harder and it goes off.

Remeber these are just a deterant like anything else. BTW I also own one of the plainest looking HU around.

Good Luck, anything is better than nothing.

1998 SE ATX
Dual exhaust
Body conversion
Nakamichi CD-40z HU
Sound by Crystal Mobile
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