Quote:
Originally Posted by bishop
if there is little to no benefit why are there claims of 20hp from a highflow cat, resonator, and muffler upgrade?
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Show me a dyno sheet... Claims are just that...
Also, we were talking about the possibility of headers.... That has nothing to do with anything you mention.
Edit: Also, due to the IRIS intake of the EG33, while you may increase hp at certain ranges, it needs the exhaust to be just right or you will lose a LOT of low end torque.