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Would installing a 70mm Skunk throttle body be helpful to my 2008 honda civic si. i currently have already installed a CAI, Borla cat back exhaust, throttle body spacer, a basic Hondata re-flash. Thanks for any help or suggestions on how to go further without forced induction.

Thanks for the quick reply... I was leaning that way but needed someone else that knows more to solidify my decision.

I have read most post on exhaust for the si's and can't get satisfied. The tone on the stock is really nice, but is it corking up the flow at the muffler? Would it be advantageous (HP gains) to replace the muffler only, like a flow master? Thanks for any help. I have the CAI, PR2 and just...