Considering supercharging my '99 WJ

I have the 4.7 non-HO with QuadraTrac II and I'm considering trying to find a Kenne Bell supercharger kit to bump the hp up to 340 and torque up to 360 lbft . It has 235 hp and 300 lbft now completely stock. I would probably do some other goodies too, such as a Magnaflow exhaust to end up with 350+ hp. I don't trust myself installing a supercharger so I'd have a shop do it. The price when done plus other goodies should be around $3,000. Now all I need is $3,000 or a generous family member. Dear Santa....

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