K&N Apollo vs Standard intake

What problems did you have with viezu?

Very strange dyno results, 'different' maps that all had the same name when loaded onto the vswitch, no difference in output when tried against the standard map at RS Tuning and the car was set running very rich, so was costing me more to run. Couple that to the fact that the first device they sent me was a faulty unit with broken software cd.
 
Surprisingly....

No they never did, they never replied when I tried chasing up again afterwards either
 
Fitted an Apollo on Tuesday night, sounds lovely I may add, however the car feels reluctant near 6000 rpm and when pushed above, a check injectors and ESP warning message comes up, Could this be due to the ecu being confused with the new filter? Thanks??