Who is using the 987 MAF Holder / Tube?

[jaykay]

Robert,

Perhaps slightly better performance and the proper match for the 987 MAF diameter; folks here are actively using it. Full disclosure: I have just changed from a third party tune to the stock 986S and planned to go to the 996 ROW. I am not sure about the anniversary tune and don't know anyone using it. I believe the anniversary is geared to the 68mm TB where as the 996 is geared to the 74mm.

You will: be able to start the car without depressing the clutch, reducing engine wear;
not have to worry about post cat o2 sensors/codes; loose the ability to monitor one cam shaft for deviation from ideal.

[maytag]

Originally Posted by jaykay

Robert,



Perhaps slightly better performance and the proper match for the 987 MAF diameter; folks here are actively using it. Full disclosure: I have just changed from a third party tune to the stock 986S and planned to go to the 996 ROW. I am not sure about the anniversary tune and don't know anyone using it. I believe the anniversary is geared to the 68mm TB where as the 996 is geared to the 74mm.



You will: be able to start the car without depressing the clutch, reducing engine wear;

not have to worry about post cat o2 sensors/codes; loose the ability to monitor one cam shaft for deviation from ideal.

If it's no longer monitoring the post-cat O2 sensors, does that interfere with the IM testing? In my state (Utah) it's a plug- in test, not a sniff up the exhaust pipe.

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[Robert986]

Originally Posted by jaykay

Robert,

Perhaps slightly better performance and the proper match for the 987 MAF diameter; folks here are actively using it. Full disclosure: I have just changed from a third party tune to the stock 986S and planned to go to the 996 ROW. I am not sure about the anniversary tune and don't know anyone using it. I believe the anniversary is geared to the 68mm TB where as the 996 is geared to the 74mm.

You will: be able to start the car without depressing the clutch, reducing engine wear;
not have to worry about post cat o2 sensors/codes; loose the ability to monitor one cam shaft for deviation from ideal.

Thanks, the anniversary do have the larger MAF diameter but I guess the throttlebody might be the smaller one. So if one is going all the way (Airbox, MAF & TB) I can see the logic behind getting the 996 tune over the anniversary.