If you have a stereo, forget it. I had mine on the front left fender, near the charcoal canister, and there it made just a little noise. I recently dumped my heater core, and put the MSD there, and the noise is so bad that I can't listen to my radio. MSD makes a capacitor for like $25. Summit has them. That might help. But I don't recomend it. Also, everytime the distributor turns, the MSD beeps. I don't know if that would bother you or not.
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'82 Firebird, dead stock, 9 bolt disc rear, over 200,000 miles and still going strong, more to come...
http://www.spinfrenzy.com/stingerssx...easures.html#4 
