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3.4L 996 Engine

Engine

Vehicle Information: Year: 1999; Engine (type, size, modifications): 2.5L stock; Total Mileage: 83500; Transmission: Manual;

I'm planning to do an engine swap with a 996 3.4L. Other than the necessary items (ECU, exhaust manifold, mounting kit), what other changes to the car do you recommend? From asking around, I've heard a lot of possibilities, but my budget can't afford them all, so I need help prioritizing. Here's what I've got so far, and my thoughts:* Cross suspension system (I agree)* FVD full exhaust upgrade (I guess it's worth the extra 15-20 HP)* Extra radiator and requisite new front bumper (Not sure I need it for 10-15 track days per year)* 996 or 986S calipers and rotors (I think I can do this later if I'm going through brakes)* Clutch (Why fix it if it ain't broke?)* 18" wheels (Does it actually increase performance over my stock 17" ones?)Thanks for your help.

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