Originally Posted by Murphdog
I have a aftermarket headunit but that's all. No amps or speakers. I am leaning towards the SR, just need to wait for payday later this week.
Gotcha. Then the SR 150 amp alternator will be perfect for you! Especially if your Mustang is not daily driven and sits for long periods of time. This alternator should help charge the battery back up rather quickly!
Give me a shout if there's anything else I can assist you with moving forward.