Mufflex/Spintech Cat for 4" exhaust

[79camaro]

I have a spintech resonator/cat(almost straight through) for a 4" inch Mufflex exhaust on a 82-02 f-body. It had never been driven, just started up the motor a few times on a forced induction Z28. Price is $20 firm or I'll take it to the scrap yard with the 305 in my other listing-lol.

http://i5.photobucket.com/albums/y175/79camaro/mufflex4inch.jpg
http://i5.photobucket.com/albums/y175/79camaro/mufflex4inch1.jpg