My drunk "friend" burnt the clutch on my car when he "borrowed" my car so i took it into the shop to get it fixed, the muffler also fell off a couple days ago too. Heres the list of repairs they need to do and the parts and labor cost.

Clutch
----------
Parts - $235.00
Labor - $532.00

I got a clutch off ebay for cheaper so i just did that, i dunno if its any good though.
http://cgi.ebay.com/ebaymotors/ws/eB...MEWN%3AIT&rd=1


B-Pipe (what broke on my muffler i guess? even though my muffler just fell off, i still have it in my trunk its all rusty though, i can take pics of it if you think i should, see if the store is trying to rip me off for a part i dont need)
--------------------
Parts - $95.00
Labor - $76.00


Thermostat
-------------------
Parts - $22.00
Labor - $76.00


Any suggestions on what i should do would be great thanks.