Header options advice needed

[edc]

Originally Posted by NewArt

Yes, it’s not so much for the placement of the sensors, more the extending of the wires. (I’ve heard stories...).

My point albeit admittedly not explicitly is that the lambda on European cars go in the same place and use standard lambdas sensors with no need for modified wiring so there should be an off the shelf solution unless there are different specs for the lambdas themself.