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GTM Performance Engineering: MHI Twin Turbo Official Release

Yeah I have the same issue. The Greddy is mostly 2.75" but where it's connects to the TP's or in my case it will be the 3" downpipes Greddy hads

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Old 11-16-2013, 06:48 AM   #11 (permalink)
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Yeah I have the same issue. The Greddy is mostly 2.75" but where it's connects to the TP's or in my case it will be the 3" downpipes Greddy hads is reduce down to what I believe is 2.5" to a flange. I assume so it would mount to most setups.

So that being said I have to remove the Greddy reducer ( the hole section of 2.5") then add another reducer from 3" (with 3" flange to mount to the the downpipe) to 2.75" to weld back into the Greddy. So right there is about $80 in parts. Then buying pipe to remove the resonators is another $80 then what ever it may cost to Tig weld all this.
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