I've Read A Few Threads About Poor Fuel Milage On Piped Vipers. No One Talks About Dial-a-jet On A Viper. I Have A 02 With Aaen Pipes, Rode It A Bunch Today (also Have Dial-a-jet) Got 12 Mpg. Ok I Know Any Trail Sled Will Get That Running Half Throttle. I'm Talking About 0 To 90+ Any Time Trails Permitted. It Would Go Alot Faster If You Had More Space, Like A Lake. Just Wanted To Tell You That All Vipers Arent Gas Guzzelers.