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The “Throttle Body Bypass” Was Already Done To My Car When I Bought It. Im Just Curious As To The Reason Of Water Going Through The TB. Is It To Cool It? Heat It? Nothing At All?
The purpose was to heat the TB of cars that live in winter climates. Since most of us don't fall into that category, or if we do we don't drive the cars during that time of year, the TB bypass acts to remove the unnecessary hot coolant from the TB. It really doesn't do anything HP-wise...just another thing we can add to our "mod" lists...
And lets not forget that one of the biggest advantages of the the TB bypass is that you'll then be able to remove the TB without having to mess with a coolant line.