Here is my first ever hardpipe kit with some silicone couplers from 15 years ago. For the do it yourselfer $45   http://i9.photobucket.com/albums/a86/AndyW_/2013-10-12_15-04-54_559.jpg

Four cores one price. $60 shipped http://i9.photobucket.com/albums/a86/AndyW_/2013-10-12_15-08-21_859.jpg

Stock valve body $80 shipped. Build this one and swap it in your car with no down time.   http://i9.photobucket.com/albums/a86/AndyW_/2013-10-12_15-00-35_210.jpg

Iv had these for a bit. Time to clear the shelves. .25" of tread, so lots of life left. $80 for the pair. I will ship fedex     http://i9.photobucket.com/albums/a86/AndyW_/2013-10-12_15-13-17_224.jpg http://i9.photobucket.com/albums/a86/AndyW_/2013-10-12_15-14-18_450.jpg http://i9.photobucket.com/albums/a86/AndyW_/2013-10-12_15-13-59_698.jpg http://i9.photobucket.com/albums/a86/AndyW_/2013-10-12_15-13-29_42.jpg