Quote:
Originally Posted by Dirty Harry
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If you can feel a 2HP increase (with a tune!) you should be a professional driver!
Your throttle body opening remains the same. Your throttle plate doesn't all of a sudden open more because there is a different tube. You are not moving any more air through the engine because you have a different shaped tube.
Exactly how was tis "slight response" measured?
"I can feel it" in not an answer.