No one is saying your wrong Dave, I for one don't go for anything that does not conform to regs.
But each will do as they see fit and take their own risks.
As with all aftermarket kit there is a grey area where the will/cost benefit to enforce technical infringement beyond that of the MOT is thin.
Country's like New Zealand simply rule that anything not supplied by the manufacturer is deemed a failure even if it improves original spec. but we have a slightly more tolerant market and we have to put up with it like it or not.
But each will do as they see fit and take their own risks.
As with all aftermarket kit there is a grey area where the will/cost benefit to enforce technical infringement beyond that of the MOT is thin.
Country's like New Zealand simply rule that anything not supplied by the manufacturer is deemed a failure even if it improves original spec. but we have a slightly more tolerant market and we have to put up with it like it or not.