Courtenay Sport Stage 2 Tuning Package Astra G Z20LET
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.
*Fitted Price for our Stage 2 package on Astra SRi/GSi and Coupe models with GSi front bumper. Additional cost of £110 charged for Coupe and Cabrio models with factory bumper, due to the additional time needed for fitment, which includes the bumper reworking on these models to allow the bumper to clear the intercooler.
80mm Air Flow Meter and VXR Injector Upgrade also available.
Requires a FULL exhaust system, ideally 76mm turbo back exhaust for best results.
Increases to 245-255bhp (exhaust dependent).