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Old 06-05-2019, 08:45 AM   #4
tommy583
98 Arctic silver 986
 
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Join Date: Jul 2011
Location: Upstate, NY
Posts: 1,441
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I have a 98 with the 2.5 motor. I already installed the larger throttle body from a 996. I think the T on the 2.5 is the same size as the 3.4 T in the 996. It bolted right up. The throttle body from the 2.5 is the same OD as the 3.4 TB, the ID is the only difference. So what i'm saying is I'm not sure if the IDP would make a difference on my car or not. I'm pretty sure it wouldn't make an $800 difference. Maybe on a 2.7 of 3.2 it would?
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