Saw this in a TB/Ported intake mani thread on EvoM...basically sums up the whole 2.5" vs. 3" thing I think.
Quote:
Originally Posted by AWD Motorsports
Buschur Ported Stock Manifold & 65mm TB good for 900whp and 8 second passes..
World's Quickest / Fastest Stock Ecu - 8.99@163mph
World's Quickest / Fastest Drag Radial Evo 8/9- 9.05@160mph
World's Quickest / Fastest Mivec Evo - 8.99@163mph
World's Quickest Stock Frame FP Black - 9.33@146mph
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Not saying to use a BR ported mani, but basically ported stock mani/TB ftw.