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  1. rib150

    exhaust diameter question

    can I run two 2.125" exhaust at 40.02" instead of one 2" exhaust at 80.04" Feldon's calculations cook chamber height  18" width    25" length   43" fire box 17" diameter length 25" size differential  99% chimney 2.125" inside diameter  length 80.04" intake at 2" diameter need 5.42...
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