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$old!  This intake manifold is a magnificent work of art! 

Prior to purchasing this part a few years ago, I heard from prominent and reputable Toyota tuners that this intake was worth up to 50 WHP on a thoroughly built race engine such as that in The Shuttle. The dyno run below suggests this is true.  So, I jumped at the opportunity to buy the intake when it became available.  Unfortunately for me, the manifold is designed for an MR2 such that the rear of the plenum fouls the firewall on my Celica GT4 when bolted to the engine.  Although I've entertained thoughts of modifying it to fit The Shuttle, I've decided to go with a custom side-feed manifold instead.

The throttle body is from an Infiniti Q45 and is included with the purchase of the intake manifold.