RUF Automobile's RTurbo model is pretty much the pinnacle of the 996 world. And I have openly stated that the 996 is my least favorite of all Porsche's. But Ravi Dolwani, owner of CSF Radiators, thinks his RUF RTurbo will bring me around to the 996 world.

Build Sheet:
NumbersMax Power: 515hp at wheels, Max Torque: 580ft-lb at wheels

Engine 
996 Turbo Porsche 3.6-liter flat-six
UMW hybrid turbos with 997 GT2 turbines
997 GT2 RS intercoolers
UMW 3-intake intake pipes
WEVO engine mounts
5-bar fuel pressure regulator
7 coolant pipe insert welds
GT2 fuel pump
Forge billet diverter valves
Samco silicon hoses
Speedtech exhaust
CSF 3-piece all-aluminum radiator upgrade for 996 Turbo (L,R,C) with factory GT2 radiator ducting conversion
ECU dyno tuned by Behe Performance

Driveline
Factory 996 Turbo 6-speed manual transmission
Rebuilt/reinforced steel synchros (3rd, 4th & 5th gears)
2nd gear detent
997 shifter
997 trans mount
lightweight flywheel
Heavy Duty Sachs clutch

Suspension/Brakes
Moton Clubsport 2-way adjustable shocks
Mode camber plates
450 springs (front) 700 spring (rear)
TPC front/ear sway bars
TRG front/rear drop links
GT3 lower control arms
RSS front adjustable upper control arms, front adjustable steering arms with bump steer fix, rear adjustable upper control arms, rear adjustable toe steer arms, rear locking plates
GT3 yellow 6-piston front calipers, GT3 yellow 4-piston rear calipers,
Girodisc slotted 350mm rotors front/rear
GT3 RS brake cooling ducts, brake caliper puck retainers,
Endless MX 72 pads front/rear for street
997 power steering pump and reservoir

Wheels/Tires
RUF 19-inch wheels
Bridgestone RE11 tires

Exterior
RUF RTurbo GT2 style front fascia with integrated splitter
RUF RTurbo aero mirrors
Rear bumper with shaved bumperettes
XPEL clear bra on entire front
TechArt adjustable carbon fiber rear wing (speed-activated)
Schild front trunk lid liner
RUF RTurbo badges

Interior 
Reupholstered leather Porsche Sport seats
Alcantara Porsche Motorsports steering wheel
GMG LMS rollbar w/ Moton suspension canisters mounted

Shoutout to CSF Radiators for bringing it out!
http://csfrace.com/