Took it to Brisbane Tuning and Tubos at Nile St, W/Gabba today. They helped the engine builder tune the car after fitting the charger.
Diagnosis - Blown ceramic seal in charger.
Cause in the opnion of the shop is quite common on this type of charger unit. The kit does not include a blow off valve so if a back fire occurs the air is blown back from the carby to the head unit slaming into the ceramic seals in the charger and breaks them. Apparently this type of blow backs is huge in PSI levels. This happened a few times when I took off in the car before letting the car warm up fully and kabang. Putting in a blow off valve, new seal in the charger, rebalanced and it should fix it. Guaranteed work so will have to wait and see.
Apparently Paxton are quite aware of this issue but did nothing to advise people of the issue.