Here is what I came up with. One guy used it and it helped him to win, with a fast lap of 1.34:2xx. Similar in handling to Graycap's, but easier to put your foot down coming out of the corners.
Subaru Impreza Sedan WRX STI '10
395 HP, 401 Ft/lbs, 1250 kg, PP 531
Parts to fit:
Oil Change
Chassis Weight Reduction Stage 3
Window Weight Reduction
Carbon Hood (Body Color)
Sports ECU
Racing Air Filter
Titanium Racing Exhaust
Sports Exhaust Manifold
High RPM Range Turbo Kit
Full Customization Transmission
Twin Plate Clutch
Semi Racing Flywheel
Carbon Propeller Shaft
Torque Distributing Center Differential
Fully Customizable LSD
Fully Customizable Suspension Kit
Sports Hard Tires
Weight Adjustment Ballast
Ballast Amount (kg): 14
Ballast Position: 50 to the front
Engine Power Limiter
Power Level: 88.8 %
Fully Customizable LSD
Initial Torque: 28/ 7(borrowed from Rotary Junkie)
Acceleration Sensitivity: 58 / 55(borrowed from Rotary Junkie)
Braking Sensitivity: 31 / 11 (borrowed from Rotary Junkie)
Torque Distributing Center Differential
Front / Rear Torque Distribution: 35 / 65
Suspension
Ride Height Adjustment (mm): -25 /-15
Spring Rate (kgf/mm): 12.0 / 15.0
Dampers (Extension): 8 / 9
Dampers (Compression): 3 / 7
Anti-Roll Bars: 1 / 5
Camber Angle (-): 2.5 / 0.2(borrowed from Rotary Junkie)
Toe Angle: -0.20 / -0.10
Brake Balance Controller
Brake Balance: 4 / 10
Transmission: 143
Driving Options FOR DS3 USERS PUT TURNING SENSITEVITY TO 7
Your choice, i play around with them, havent decided on anything yet.
Play around with it, it is able to take corners with less slipage than normal
If anyone wants me to explain this, i would be more than happy to.