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Vauxhall Astra — tuning files & remaps

3 variants supported · hatch · stage 1, stage 2 & custom maps · 30-minute SLA.

Variants & expected gains

Gen Years Engine Stock Stage 1* Stage 2*
L 2021 1.2 turbo · petrol 130 hp 170 hp (+40) 195 hp (+65)
K 2015–2021 1.4 turbo · petrol 150 hp 195 hp (+45) 225 hp (+75)
J 2009–2015 1.7 CDTI · diesel 130 hp 165 hp (+35) 180 hp (+50)

* Stage figures are typical estimates. Final results depend on vehicle condition, fuel quality and ambient conditions. Every map is dyno-validated before delivery.

Supported ECUs

MED17.5.25 EDC17 CP44

Available tune options

EGR off

12 cr

Disable EGR valve in software.

DPF off

16 cr

Software-only DPF delete. Diesel only.

AdBlue off

16 cr

Disable AdBlue system. Diesel only.

Pops & bangs

18 cr

Cracks and pops on overrun and gear changes.

DSG / TCU flash

28 cr

Transmission map for sharper, harder shifts.

Stage 1

32 cr

Bolt-on, no hardware. Smoother power, +20-30% torque.

Stage 2

40 cr

Requires downpipe / intake. Bigger gains, sharper throttle.

Custom remap

55 cr

Fully custom one-off map.

Other Vauxhall models we tune

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