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I have the IPD plenum and a Bosch 74MM Tbody on a 2.7. It improve throttle pick up. The ducting is nice and come with the plenum. Everything bolts or clamped up easily. The stock throtle body will not bolt to the IPD the 74mm Tbody will not bolt to the stock plenum you have to do both. I did this last of the four external HP mods and saw a small power improvement. I'm not sure if this help your decission or not. The big thing I noticed is that I hit the rev-limiter with out really trying now, and have to pay more attention to the tach.
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2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
Last edited by jsceash; 09-22-2011 at 05:50 PM.
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