
Originally Posted by
mystery machine
the trem CS relates to courtenay sport, the numbers relate to its state of tune.
taken from Courtenay sports website....
Courtenay Sport Stage 1
Tech 2 Full Diagnostic Check. Factory Base Software Upgrade as required, Exclusive Courtenay Sport Software upgrade. Software customising whilst on our rolling road optimising fuelling, full boost and ignition maps, Full Power and Torque Graph Print Outs.
Increases up to 245 bhp £495 Fitted
Courtenay Sport Stage 2
Tech2 Full Diagnostic Check. Factory Base Software Upgrade as required, Exclusive Courtenay Sport Stage 2 Software upgrade, High Flow Large Lower Front Mounted Intercooler*, Software customising whilst on our rolling road optimising fuelling, full boost and ignition maps, Full Power and Torque Graph Print Outs.
Increases up to 255 bhp £1,295 Fitted*
Courtenay Sport Stage 3
Tech2 Full Diagnostic Check. Factory Base Software Upgrade as required, Exclusive Courtenay Sport Stage 3 Software upgrade, High Flow Lower Front Mounted Intercooler*, VXR (Z20LEH) turbocharger, VXR Actuator. The turbo, combined with our software, is the key to increasing power beyond the 260 bhp mark and producing a strong torque curve, Software customising whilst on our rolling road optimising fuelling, full boost and ignition maps, Full Power and Torque Graph Print Outs.
Increases up to 265 - 270 bhp £2,060 Fitted*
Courtenay Sport Stage 4
Tech2 Full Diagnostic Check, Factory Base Software Upgrade as required, Exclusive Courtenay Sport Stage 4 Software upgrade, High Flow Lower Front Mounted Intercooler*, VXR High Flow Injectors, VXR (Z20LEH) turbocharger, Uprated Actuator and Stainless Steel Bracket. The turbo, combined with our software, is the key to increasing power beyond the 260 bhp mark and producing a strong torque curve. Higher flow injectors ensure enough fuel is available mid range to ensure the engine does not run lean, Software customising whilst on our rolling road optimising fuelling, full boost and ignition maps, Full Power and Torque Graph Print Outs.
Uprated Clutch is required on Stage 4 and Stage 4 High Torque Set Up.
Increases up to 285 - 290 bhp
300 lb ft Torque
High Torque Map Available £2,330 Fitted
hope that helps.