I was wondering what Cooper is better. The not 'S' Cooper has a turbo avaliable for it which is great. On the other hand the Cooper S has a stock supercharger. I was wondering if a turbo will come out for the S that will allow it to have more then 300 HP and Torque. If there are any plans for a turbo kit which allows 300 hp for any model plz leave me a site. Anyways what is the most horsepower you saw in a Cooper???

 

I think you are looking at the WRONG car(s)...
I doubt that your wallet fat is enough to get 300hp out of any MINI. I know my isn't.
Do you really want spend another $10-20k for mods on top of the car?
Do a search for what mods you had in mind
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DS/B/B MCS with every option known to man
- CD changer

 

It will happen for less than $6K

 

I have 259 Wheel HP. Should eqaute to around 300HP.