machined TPI plenum

88blackz51

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I've already got the hi-flow base, now all I need is a throttle body and runners that can keep up with this and I think I'll have an intake that flows as good as anything out there aftermarket.

 
Read an article awhile back about the L98. They installed larger intake runners from the plenum to the cylinder heads and gained a bunch of HP and TQ. Their take on it was the intake runners were the restriction in the system. Can't remember where they found the larger intake runners....
 
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