IF you want to do a little research and reading.... Just use the search feature. WE have had a few on here use nitrous and do well with it.... 10 second quarter mile times. For the money, you won't find any cheaper HP than an SRT6. Don't expect a lot of aftermarket help, but the engines are bullet proof. You can only take any car so far, and you can take the SRT to it's limits with the go fast parts that are available....