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Mike504
Dodge Dakota
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4/22/2002
10:49:08
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 Subject: Single exhaust or daul exhaust?
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I have a 2002 dakota QC 3.9. I am replacing the factory muffler. Is there and performance or sound difference by going dual out or single out. Is the only benefit of the dual out for the looks.
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Montag
Dodge Dakota
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4/22/2002
12:38:46
| RE: Single exhaust or daul exhaust?
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Single out will have slightly more power...I think.
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MightyDakSXT
GenIII
4/22/2002
16:07:05
| RE: Single exhaust or daul exhaust?
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You're correct, Montag. Marginal increase though. Maybe 2-3 horsepower more than a dual exhaust. Gibson said the reason for this because a single exhaust doesn't have dual pulses fighting each other to get out. I imagine a true dual exhaust system wouldn't have those pitfalls.
2002 SXT, 3.9 Liter V6, RC, 5-speed, 3.55 rear
-= Second place is the first loser. =-
Extang Tonneau, Autolite 3923 Plugs, Borg Warner Cap & Rotor, K&N Filter, Gibson Catback Exhaust, Robert Shaw 180 Degree Thermostat, Custom Grille. Coming soon: V8 TB
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Montag
Dodge Dakota
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4/22/2002
16:58:11
| RE: Single exhaust or daul exhaust?
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Wow! That doesn't happen too often :)
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Ernie
Dodge Dakota
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5/16/2003
07:41:45
| RE: Single exhaust or daul exhaust?
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won't a true "add on" dual exhaust increase hp and increase milage?
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Ernie Miller
Dodge Dakota
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5/16/2003
14:53:53
| RE: Single exhaust or daul exhaust?
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Hey...another Ernie on the board! Cool!
Anyway, I don't think the HP differences are far off between a single or dual setup. The main difference is in torque. You lose a little torque when running a single in/ dual out setup...not sure about true duals though. With the 3.9L, it is probably best to stay single if you want to keep some low-end...if you don't care, then go for the duals.
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96daknice
Dodge Dakota
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5/16/2003
17:44:30
| RE: Single exhaust or daul exhaust?
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I put a single exit exhaust that comes out in front of the passenger rear tire. I have a 96 dak I had to bend the pipe below the frame though. Looks great and alot different than all the rear dual exhaust chevys and fords out there.
P.S. It's a 40 series Flowmaster
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