Z20LET, Z20LER and Z20LEL tuning
Astra G (Mk4), Zafira A and Astra H (MK5) SRi Turbo 170-200 tuning, remapping and performance upgrades
Z20LET tuning at Midpoint Garage lets you get the most power, torque and driveability from your Astra or Zafira with a Z20LET, Z20LER or Z20LEL engine. Tuning options range from a Z20LET remap to Astra VXR power and beyond – with over 300bhp potential.
As a widely experienced Vauxhall tuner, we’ve developed our own exclusive range of performance packages for your Z20LET, Z20LER or Z20LEL powered Astra or Zafira. Tuning is split into separate stages, complete with our recommendations for enhancing your car’s performance and boosting reliability. These upgrades allow you to experience Vauxhall tuning in each phase, taking your Astra or Zafira to 300bhp and beyond.
Z20LET tuning, Z20LER tuning and Z20LEL tuning
Stage 1 – 225-230bhp, 250-270lb.ft torque
EDS software remap £300
Stage 1 recommendations
Sports switch £82.25
Large air intake kit £35
K&N panel filter £57.57
Upgraded spark plugs £33
Exhaust decat pipe £155
Stage 2 – 240-250bhp, 270-310lb.ft torque
EDS software remap £300
EDS software upgrade from Stage 1 £50
Intercooler kit (side-mounted) £550
Intercooler front-mount kit (including new fan) £650
Astra H Forge intercooler kit (black, red or blue pipes with or without logo on intercooler) £1027.54
Full exhaust system £766
K&N panel filter £57.57
Upgraded spark plugs £33
Stage 2 recommendations
Large air intake kit £35
Fuel pump £208.30
Diverter valve £230
Upgraded spark plugs £33
Large alloy cooling radiator £330
Cool-running thermostat £45
Stage 3 – 250-270bhp, 310-330lb.ft torque
EDS software remap £300
EDS software upgrade from Stage 1 or 2 £50
VXR turbo £850
VXR injectors £105
Stage 3 recommendations
Uprated actuator (black, red, blue or silver) £110
Uprated clutch £700
Large air intake kit £35
Fuel pump £208.30
Fuel pressure regulator kit £169
Diverter valve £230
Upgraded spark plugs £33
Large alloy cooling radiator £330
Cool-running thermostat £45
Stage 3.5 – 270-300+bhp, 330-360lb.ft torque
EDS software upgrade from Stage 3 £250
VXR MAF £200
MAF pipes £65
Injectors £105
Fuel pump £208.30
Fuel pressure regulator kit £169
Stage 3.5 recommendations
Large alloy cooling radiator £330
Cool-running thermostat £45
Uprated clutch £700
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