never heard of anyone doing it, aem makes their torque tubes out of metal, the tubes running from turbo to i/c & i/c to intake horn are also metal minus connecting boots. would be interesting to see if insulating all would be a worthwhile. nice lookn intake:thumbsup
i just put a cfm plus elbow on mine, sweet piece. in there product info they claim they make it out of composite materal because it wont absorb under hood heat into it. the stock cast piece is very restrictive and they claim absorbes heat tranferring it into your intake air charge.
I used 3" exhaust pipe, mandrel j-bend, 4" radius.
I did notice a difference, but I think it's because I turned the Smarty Jr. up to 100 HP!
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