There's a MSP in Austin who has gone through two engines and one transmission (and it's not me for once)... Just because they warrantied it does NOT mean they are covered items. Check out the SRT vs MSP thread or go to Mopar's website and find the Performance Parts area. You'll see the warranty info link right there where it plainly says in black and white, the parts are sold as is without any warranty and if the parts are used on any Dodge/Chrys vehicles for competetiion or offroad use or something like that, the car's warranty is also void.
Hell, do as I did and go talk to a Dodge dealership yourself. They'll tell you the *same* thing.