Originally Posted by alaxfire
As far as I know, the MAF sensor is the same, it does NOT need to be changed with the 68 - 74 mm upgrade.
well, the MAF is a full 6mm wider opening, just like the TB. the intake manifold is already 74mm and so is the elbow. By replacing both, you'v just smoothened out the air flow. No step up and down between each components