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All About Throttle Body Spacers

Throttle body spaces are designed to optimize the lengths of the pipes (aka "runners") of the manifold.

DON'T BE FOOLED - A "tornado" sort of insert is not going to increase performance because it's installed ahead of the throttle body. These types of improvements are sold on "as seen on tv" type programs and DO NOT WORK!

DO IT CORRECTLY - Increasing the length of the intake manifold will improve power