Spin Tech mufflers

yep it is my money and Caterpillar pays me very well. i do like the sound of the 2sd vid it does sound very good. but i think i am going to go with some. see link below. i have heard them on a car down in FL last year on vaction .they sounded damn good. but its not a done deal at this time . i am open and still looking for a good sounding mufflers..
http://www.jegs.com/i/Dynomax/289/24222/10002/-1