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Throttle body spacer

1313 Views 6 Replies 6 Participants Last post by  Toledo FJ
who has installed a throttle body spacer on their FJ? What brand did you go with? Results?
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I put mine on about 2 months after I put the CAI on. there has been no power increase, the gas mileage is the same. The only thing is you can hear a whistle...
1 - 1 of 7 Posts
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