Your gonna get loads more oil on the MAF from the oil breather system than you'll ever get from a k+n filter. Dont worry about it.
With regards to the green nipple. Done bother doing it, you cut it and once it done you cant put it back. T-piece into the vacuum line on the underside of the inlet manifold on the left for the best reading.
With regards to the green nipple. Done bother doing it, you cut it and once it done you cant put it back. T-piece into the vacuum line on the underside of the inlet manifold on the left for the best reading.