NEED HELP FAST!!! Replacing stock head unit

Ok...I picked out a new head unit today, and I was told that they're going to have to rewire my car for an additional $50 because I have a factory amp.

I have the stock Delco tape deck (NON Monsoon), but the car has a factory 6-speaker system. They've said they've never seen any other Camaro like it before--usually they have the Bose with the factory sub, or it's a Monsoon.

I'd rather they not **** up my factory wiring harness or anything else for that matter. What else can I do? All I wanted was a CD player in my car. ADVICE PLEASE!!!

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1997 Chevrolet Camaro
3.8L V6 M5 Medium Quasar Blue Metallic
Flowmaster Exhaust, Quad tips
My Camaro (http://quasarblue3800.tripod.com)

I think they are screwing with you. So your thing is stock? Honestly, do it yourself, free install and you ge to learn.

You need a wire harness, and an install kit.

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93 Patriot Red Z28 - A4, 3.23 Gears
*Mods*: Hooker Super Competition Catback, Holley 58MM Throttle Body, Holley Powershot Filter, 160* Thermostat, A. Anderson Programming Chip, Aeromaks Cold Air Intake System

Audio: JVC KDSH77 HU, Infiniti Kappa 6.5"
Max's Patriot Red 93 Z

Time: 14.052@98.23, 2.193 60', Street Tires, Hot & Humid

Get some info here: www.installdr.com (http://www.installdr.com)

Purchase the wiring harness, ant. adaptor and the dash kit from them. Wal-Mart here sells the adaptor and the harness for $7.00. Most car stereo places sell them for $12.99 each. Radio Shack sells the ant. adaptor for $2.00 (save $10.00). Dont get any other parts from Radio Shack thier dash kits suck. The harness from most radios for that car match wires color for color. You can wire the harness at the kitchen table. The dash kit installs in about 30 seconds. You will see how everything goes into play as soon as you start. Save the money and feel the pride of self-install.

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Black 00' SS
(1) Pioneer 480
(3) 12" Solobaric L7s
(3) Earthquake 200Ds
(3) Marine Batteries
(1) 6 Farad Cap Bank
(2) 15" Compression Drivers (Loud AZZ Highs)
(1) Broken Trunk Latch courtesy of the L7s
C.A.N.I.
Conastant And NeverEnding Improvement