Originally posted by Mischief:
Radio Shack makes a filter for about $20. i tried it in my old altima and it killed all speaker wine. I put the filter in the positive lead going into the head unit, then the filter has its own ground that i screwed into the frame.
your best off not using any filters if possible, but if you do decide to get one make sure u get a power filter and not just an RCA filter (did not work tried 2 diffrent ones).
Uhh.... Mischief....
Ya wanna step out of the time warp? The last post in that thread was nearly a year ago! 
1999 Ford Contour SVT #900/2760 (SOLD)
2005 Mazda 6s
2003.5 Mazdaspeed Protege
1998 Ford Ranger 4x4
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