1993 Audi C4 S4 (Known as URS4 in US)

Exterior converted to S6 (URS6) look

• 2.2 20v Turbo (3B block with AAN head) Glorious 5 Cylinder noise
• 5 Speed manual
• Forged Pistons + Rods
• Girdle
• Baffles in Oil pan
• Bosch 2200cc injectors
• Precision 6466 Gen 2
• Bigger exhaust valves
• Schrick cams (durations unknown)
• Aluminium 60L fuelcell in the trunk with double Wahlbro fuel pumps
• Lighter Flywheel
• Upgraded clutch + pressure plate
• 643whp + somewhere 700wnm on 2.95 bar of boost (42,7psi) on E85