WGM Astra J VXR Stage 5 Engine Tuning

£0.00£153.65 Inc Vat

SKU: astraj5 Categories: , Tag:


WGM Level 5 is the highest stage we offer; Level 5 moves onto the top end of performance tuning – At this level there are serveral options, with ‘The skys the limit’ in terms of what is achievable.

Switching to a Motorsport turbocharger means we can choose the Turbocharger to suit your requirements, with a wide range of options 

Engine Builds, Uprated Clutches are not included these packages

For the Intial Stage we can run a Borg Warner EFR6758 Turbocharger at 400-420HP / 380-400TQ on Stock Internals and Clutch. Alternativity a larger Turbocharger can be installed with 

Once the Internals are Uprated we then the look at Larger Turbochargers, the Borg Warner EFR7163 – Being the same size ‘Turbo Frame’ this would become a bolt on Turbo to the existing Turbo Kit, with 500HP Flow capable – this would catter for most!

With V Band External Gates and Twin Scroll T4 Internal / External Gate Turbo offered prices can vary.


6258 – 380-400HP
6758 – 400-440HP
7163 – 460-500HP

WGM Level 4 Consists of:

– Borg Warner EFR Turbocharger
– Nortech Tubular Manifold Twin Scroll

– Downpipe + Decat Section

– Large Bore Induction Hose

– Airtec Intercooler Kit

– 90mm MAF Housing with Cone Filter 

– Uprated Irdium Spark Plugs
– Labour

– ECU Upgrade

Optional Upgrades:

– Pro Alloy Uprated Water Rad (Highly Recommended for Summer Fast road use, and Track use)
– JS Performance Silicon Water Hoses
– 3″ Nortech Cat Back System

Additional information

Weight 0.00000000 kg

EFR6258, EFR6758, EFR7163