Box Stock

Air filter flow

Most tracks won't let you mismatch. If they do let you they also don't care if hemi one is drilled or hollowed out. I race a track where must be out of the box they use a hemi and a non hemi as side by side comparison to what is being teched. I think its the way to go. I like racing both. If you can get fast on a stock predator hold on with upgrade version.
 
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