5/16 Iso-thermal plenum spacer?
5/16 Iso-thermal plenum spacer?
OK guys I had a couple questions regarding these plenum spacers. I want to know the difference between the Iso-thermal spacers and the non Iso-thermal spacers. I have searched for the answer but could not find it. I have an 06 5AT. Which spacer do I need? Will I bennifet more from one or the other? Should I go with another size? Like 1/2 inch? thanks for the help, and sorry for another thread on plenum spacers.
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Ninjay16
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thechitoguy
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