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paysonbadboy
Dodge Dakota
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6/17/2003
00:39:02
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 Subject: What 3rd Cat?
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Message:
I hear many on here list in their long list of mods that they removed their "3rd cat"
I got a 2003 Dakota with the 4.7 and there is just ONE normal Cat up front.
Are people talking about the R/T or something? I haven't SEEN this but maybe they have a resonator or something people are removing that they assumed was a Cat?
I removed the Resonators from our Chrysler. I knew they weren't Cats. I was just hoping to see some improvement but it made the car sound like crap is what it did. Now I know why they were on that thing.
But why would people think there were 3 cats? Only 1 is needed!
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gotanRT
Dodge Dakota
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6/17/2003
02:10:30
| RE: What 3rd Cat?
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Message:
my 2000 R/T only has one cat...my 98 sport 3.9 only has one cat...the 2001 4.7 i looked at before i bought my R/T only had one cat...
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Black R/T
Dodge Dakota
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6/17/2003
08:45:25
| RE: What 3rd Cat?
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Message:
2003 R/T has 3 cats!
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Demon Dakota
DakotaEnthusiast
6/17/2003
09:00:17
| RE: What 3rd Cat?
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Message:
My 2002 4.7L had three cats (two precats, one primary after the y/h pipe towards the rear of the vehicle).
K&N Drop in AF (CAI during summer months)
True Dual exhaust and removed third cat
HO Cams & HO Intake
FASTMAN 70mm TB
Autolite 3923 Plugs
TPS @ .76 VDC
IAT Adjuster Mod
14.52@94.2 MPH at Silver Dollar Raceway
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j
GenIII
6/17/2003
11:18:08
| RE: What 3rd Cat?
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Message:
Some 4.7's have 1, some have 3. Depends on where you bought the truck and which emissions package you have.
2000 4.7 CC auto, clear corners, Magnaflow catback, Kenne Bell s/c, Aquamist water injection.
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blueballs
Dodge Dakota
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6/17/2003
22:32:09
| RE: What 3rd Cat?
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Message:
I did not notice much for gains when I replaced my muffler. Could it be the three cats?
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RTSpeeddemon
Dodge Dakota
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6/18/2003
11:15:21
| RE: What 3rd Cat?
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Message:
Changing the muffler will net you almost no gains whatsoever, as the factory mufflers are actually quite good. Yes you can get a nicer sounding muffler but thats all you are really gaining.
The exhaust restrictions are mostly at the front end, Headers & high flow cats are where the gains will be realized.
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blueballs
Dodge Dakota
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6/18/2003
14:39:08
| RE: What 3rd Cat?
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Message:
I have the headers I was wanting to go quiet muffler, and hollow the cat.
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gotanRT
Dodge Dakota
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6/18/2003
14:57:09
| RE: What 3rd Cat?
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Message:
performance mufflers do help performance somewhat...just not by themselves...i put a k&n cone filter and a pvc pipe in my truck and it didnt do much until after i got my flow delta 40 dual exit
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