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Two quick questions
1. If i have an N51 engine does that mean it is definitely SULEV?
(I checked the VIN online and its an N51 but I am not near the car to check the sticker under the hood)
which brings me to...
2. So sadly N51 engines can not upgrade to triple stage intake manifold or any intake manifold upgrade?
this seems like a mod where a lot of power can be made, it would be unfortunate to miss out on its potential!
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