I've researched this ad nauseum, and have come to the conclusion that there are a number of butt dynos who have registered gains after tuning, but limited info with regard to the larger MAF from a 987 being used. I've read here and seen videos that suggest that additional tuning with either a 996 tune or VRTuning type software is necessary to make the larger MAF work. As I mentioned before, I don't have access to either of those at the moment, and am not convinced the improvements are worth the cost and difficulty to install. Would love to see some hard data that supports it, or get more feedback from someone who has installed the 987 MAF on what the best course is. I can definitely recognize that the 987 AB is an worthwhile improvement as even Porsche used it on the anniversary edition. I need to make a decision as to how I want to invest in the supporting HW/SW to make it work. My thoughts at the moment, suggest using the 987 AB with tubing to allow for the 986 MAF. Unfortunately, a lot of the threads on this subject are older, and folks like The Radium King who've done a lot of research aren't as active. I was hoping to locate some info that would support either method with good dyno info.
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