Category: Courtenay Sport

Astra J VXR Stage 3

A change to the more common Astra J VXRs we see in Arden Blue, this time in the much less seen but equally stunning Power Red. The car had already been fitted with a full 3″ Piper turbo back exhaust system and an Airtec cooler and induction kit when it arrived with us and when […]

Opel Speedster Turbo K06 and Inlet Manifold

This car had previously been in for a full engine rebuild with forged pistons and steel rods, strengthening the factory Z20LET engine and was running a K04 Z20LEH VXR turbocharger, Milltek 63.5mm exhaust system, Pro Alloy chargecooler and VXR injectors. It returned to us to have some further enhancements which included a full 76mm Tullett […]

Astra J VXR Mapping

We are seeeing an ever increasing number of Astra J VXRs in for remapping and rolling road set up. As with Astra H VXR, blue seems to be a popular colour. This car came to us with a pre cat removal pipe and Evoms kit already fitting. After mapping and rolling road set up the […]

CSR MaxAir Intake System

Early in testing the Astra J VXR it was discovered that the original factory airbox simply would not cut it even with the usual modifications. Porting it simply could not flow the required air, so some kind of induction system was required. During initial induction testing it soon became apparent that a straight/parallel air MAF […]

Astra J VXR Stage 1+

Another Astra J VXR in for a Stage1+ tuning package, which is proving to be a very popular option for many owners. The first stage is to benchmarck the power of the standard car. It had already had a generic flash map installed via a well known hand held tuning box, so we first ran […]

Insignia VXR Remap

Another returning customer coming back to us this time with his 7,000 mile Insignia VXR for mapping, having previously has his Vectra VXR mapped by us. Latest spec and an otherwise standard car, and a little under a year old we carried out the mapping, map optimisation, datalogging and full rolling road set up achieving […]

Astra J VXR Stage 3 Package

Courtenay Sport Stage 3: Remap, Front Pipe, Free Flowing Cat Section, Induction Kit, Intercooler Stage 3 is the final stage upgrade using the standard factory K04 Turbo. This package consists of pre-cat deletion, replacing the OE factory front pipe and first cat first cat with our free flowing 3” cat-less front pipe (also used in our […]

Astra J VXR Stage 2

Astra J VXR’s are becoming more and more popular for tuning now and here is another example. White seems to be a popular choice on this model. This car was brought to us for a Stage 2 Tuning package which consists of a replacement 76mm downpipe to remove the restrictive pre-cat, a revised silicone inlet […]

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