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Old 12-30-2017, 11:43 AM   #2
BYprodriver
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Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
Garage
The U-bend that connects to the oe "S"muffler is 1.75" Size you need depends on engine size & RPM range you want to maximize torque.
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OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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