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What is the difference with all the different n75's all about???

i was reading a post in the vag com section and 'cupra t girl' was mentioning different n75 valves.... just after a bit more info people!


Thanks Ads:)
 
dont worry too much about changing the valve, ive been through most of them and theres only at most a 5bhp difference which wasnt noticeable.
 
i have just tried a J on kine, wow what a difference over the F/C on the stock ECU, but when remapped, apparently dont make much difference as the map has to be backed off to compensate.

Takes me from 6psi to 10/11 on stock ecu, although my k03s needs mapping so cant drive it hard to prevent damage.