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Discussion Starter #1 (Edited)
With my 67 there was a set of ram air manifolds,Should I put these on ? How much extra HP would it make and would it sound any better ?
 

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Do it. It will sound nicer, and it will make more power. How much more? Can't predict that... but how can you argue with "more", especially when it's free? :D

Bear
 
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