How important is a stereo?

[smokedchevy]

Here's the scoop. I finally scraped together $600 dollars in my stang account. It boiled down to an intake or stereo. I went and bought the stereo. I've been driving around for 1 1/2 years without any sort of a stereo saving for a blower. Literally nothing. No tape deck no c.d player, just me and my flowmasters. I figured it was time,and I got a really good deal. A pioneer premier head unit, 4 speakers, an amp, bass tube, amp kit and face plate for $600. Sounds killer. I just can't help but think I might have been able to free up 20 horses with $600. How important is a stereo you guys?

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92 GT, 4:10 gears, centerforce clutch, 6# powerdyne blower, bbk h-pipe, flowmasters