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V8 Dakotas
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confused_01rt
Dodge Dakota
JOIN HERE
6/30/2002
14:38:49
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 Subject: 5.9L Exhaust question
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Hi all.. I am trying to figure out the exhaust set-up on a '01 R/T... most the aftermarket parts I see (e.g. flowmaster exhaust, carsound cats) are listed as 3" in, 3" out. Isn't the stock R/T exhaust 2.5"? So my understanding is that there is a 2.5" Y-Pipe leaving the headers which goes into a 2.5 inch pipe which feeds the cat... then another 2.5 inch pipe goes into the muffler... the tailpipe seems to be 4" in diameter.
Please correct me if I am wrong. So if I wanted to upgrade my muffler to a Flowmaster, and cat to a Carsound cat which would both have 3" in and out, what other piping would I need?
Thanks!
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yates-in-DE
GenIII
6/30/2002
16:03:07
|  RE: 5.9L Exhaust question
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Message:
Do what I did here in Germany,(I had to order the darn pipe from the USA special though) I put 3" on mine from the Y-pipe back and had every thing Mandrel bent by a local shop.(what few bends there is) I had them put in 2 Each 3 bolt flanges where the Cat goes, on a piece of pipe the same size as the original cat.(I took it out ya know)
Seems to me if ya put 3" pipe behind 2 1/2" pipe....... well ya know what I mean Kind of a waste of money and time. I used the Flowmaster 3" and no Cat and it sounds good and runs good. I put the exit out in front of the Right Rear Tire and slightly turned it down to echo off the ground. :] Sweet.
Good Luck,
Lynn
'02 Flame Red CC, 4.7, 5 Speed, 3.92's, KB Optimizer II, IP Z-Tube w/7" S&B, 3" Y-pipe back w/Flowmaster 50 Series,
Bell Tech 2"x4" Drop, Saddleman Soft Tonneau, RS 180 t-stat, Autolite 3923's,
Pirelli Scorpion Zero's 275/60-16's, Savin for the KB Twin Screw Super Charger
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R/Truck
Dodge Dakota
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7/01/2002
13:04:36
| RE: 5.9L Exhaust question
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Message:
Save up your money and get the PPH headers, you will not notice much of a gain with just a cat back anyway. Headers, high-flow cat, muffler will make you happy.
Besides those pre-cats is what kills your performance, I have a 01 too, and it made a huge difference with the new headers.
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BobRoss
Dodge Dakota
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7/02/2002
03:39:38
| RE: 5.9L Exhaust question
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ooo modding in germany eh? Not a law abiding citezen eh? :P
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