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Old 12-28-2019, 10:02 AM   #6
Starter986
1998 Boxster Silver/Red
 
Join Date: Sep 2017
Location: 92262
Posts: 2,915
So... the questions are begged... and I submit them to the PROS on this forum:

If you're running a 2.5... can you swap the manifolds from a different engine to run the two tubes (from one)?

If affirmative... is there any improvement in performance?

I do see on the two-tuber that the throttle body slightly is offset... and that could pose a problem with the 2.5 throttle body angle.

Thank you, and Cheers!
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1998 Porsche Boxster
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