When I put the Cat-Back system on, my MPG went from 16 to 19. Now it is back down to 17.5 with the custom chrome intake.

Definitely worth the price. I liked the Cat-Back as it was a bolt-on system - I was able to do it myself. If you buy the PV muffler, you will have to get it welded...

Brent
www.xanderstudios.com