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Old 09-28-2012, 08:40 PM
irnwkrkev irnwkrkev is offline
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Join Date: Jan 2012
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Vehicle: 2011
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Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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irnwkrkev is on a distinguished road

Normally long tube headers gain torque in the low end more then shorties which show most of their gain up high.

With that said I lost a bunch of torque in my 02 durango 4.7l with a change to a 3" single exhaust. When I added shorties and a magnaflow y-pipe with high flow cat and stock diameter mandrel bent pipes it picked all of it (low end torque) up and then some.

Makes me think that 4.10's and posi will be my next mod before hitting the headers (long tube or shorty with y-pipe).
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