I've read time and time again that a throttle body spacer is a waste, but we have one member here that swears it improved his gas mileage noticeably. It's not a measured before and after install, just what he saw on the gas gauge before and after.
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I've read time and time again that a throttle body spacer is a waste, but we have one member here that swears it improved his gas mileage noticeably. It's not a measured before and after install, just what he saw on the gas gauge before and after.
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