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00:57:49 - 04/25/2024
V8 Dakotas
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darcy
Dodge Dakota
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12/19/2002
12:21:53
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 Subject: Hi-Flow cat on a 4.7...
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Are the high flow cats worth it? Some say yes, some say no... what do you guys think? I just called the muffler shop by my place and got a lecture when I asked for a price on removing the main cat! Then I asked about getting it setup with flanges so that I could switch between the cat and a straight pipe whenever and he said that the labour alone would be close to $300 Canadian! Does that sound right?
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b1llyw
DakotaEnthusiast
12/19/2002
15:34:33
|  RE: Hi-Flow cat on a 4.7...
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High flow cats make a big difference. They'll flow nearly as much as a straight pipe and still keep you legal. I just got a 3" Carsound for $68, shipped.
Bill White - 2002 QC 4x4, SLT , 4.7, 5 spd, 3.92 9.25, 1995 Dakota CC, 4x2, SLT, 318, 5 spd, 3.55 8.25
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2THEXTRM
GenIII
12/19/2002
17:37:56
| RE: Hi-Flow cat on a 4.7...
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Where did you get the Carsound for $68 shipped?
Flowmaster cat back w/15 inch chrome tip, Volant Intake, Poweraid TB Spacer, Splitfire Plugs, full synthetic fluids
3 inch body/1.5 inch Block Lift, 305 70-16 X-Terrains on AR Terons, Pro Comp ES9000's
Grizzly double/single rollbar with (6) Hella's, Manik Nerfs, Line-X, Hard Work & $$$$$$$$$$
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b1llyw
DakotaEnthusiast
12/19/2002
19:27:35
| RE: Hi-Flow cat on a 4.7...
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eBay. A guy named Jeff Hawkins who owns a muffler shop in Tennessee. He sells directly but his best pricing is usually on eBay. Do a search of items for sale by the following seller "jehovah-nissi". He's got 2 1/2" Carsound cats with a buy it now price of $48, $12 shipping. 3" cats are $5 more. I did a group buy with him last summer. He's super reliable and you just can't touch his prices anywhere.
Bill White - 2002 QC 4x4, SLT , 4.7, 5 spd, 3.92 9.25, 1995 Dakota CC, 4x2, SLT, 318, 5 spd, 3.55 8.25
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gsmarquis
Dodge Dakota
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12/19/2002
20:26:48
|  RE: Hi-Flow cat on a 4.7...
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are the stock 4.7 pipes 2.5 inches? if i have a 2001 4.7 with no pre-cats i would just need a 2.5 in/out cat right? What is the w/air or without air option?
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2THEXTRM
GenIII
12/19/2002
20:31:36
| RE: Hi-Flow cat on a 4.7...
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Cool, thanks man, since I won't buy anything from Speedtweaks, was wondering where else I could one!
What u runnin for exhaust? stock with the new cat in place? On the wives truck, just swapped stock muffler for a glasspack, sounds ok, but not sure if I want to go with 2.5" dual out back from one 50 series flowmaster or 3" single at stock exit point. I think the factory is 3", at least the tailpipe is anyway which looks to be stainless steel to me.
Flowmaster cat back w/15 inch chrome tip, Volant Intake, Poweraid TB Spacer, Splitfire Plugs, full synthetic fluids
3 inch body/1.5 inch Block Lift, 305 70-16 X-Terrains on AR Terons, Pro Comp ES9000's
Grizzly double/single rollbar with (6) Hella's, Manik Nerfs, Line-X, Hard Work & $$$$$$$$$$
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b1llyw
DakotaEnthusiast
12/19/2002
20:54:31
| RE: Hi-Flow cat on a 4.7...
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My '02 has an MBRP Super Single catback. I'm going to swap the 2 1/2" Carsound on my '95 over to my '02.
My '95 is getting a 408. That's what the 3" Carsound is for. Mopar headers and then 3" all the way back, high flow cat, and Flowmaster 40 muffler.
I like it loud. A V8 should sound like it has balls.
Bill White - 2002 QC 4x4, SLT , 4.7, 5 spd, 3.92 9.25, 1995 Dakota CC, 4x2, SLT, 318, 5 spd, 3.55 8.25
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shadowdak
Dodge Dakota
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12/20/2002
07:35:18
|  RE: Hi-Flow cat on a 4.7...
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I have a 2002 cc 4.7. Just replaced the stock muffler & tailpipe with a flowmaster 40 series
2 1/2 single in and 2 1/2 single out,sounds real good. Not ear bleedin' can still talk in cab. When you let it go through all the shifts it does sound great. Right at 2000 rpm it has quite a throaty sound.
2002 cc 4.7,4x4 Robert Shaw 180 t-stat,
K&N drop in, Flowmaster 40,fully synthetic diffs, Mobil 1 5w30
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CThomp
Dodge Dakota
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12/20/2002
07:41:57
| RE: Hi-Flow cat on a 4.7...
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Damn it and I payed $90 bucks for my carsound 2.5". Oh well. Either way I think it was a good investment. That combined with the magnaflow 2.5" in/out #14256 made for a perfect combination.
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Pittdawg
Dodge Dakota
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12/20/2002
14:12:49
| RE: Hi-Flow cat on a 4.7...
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I remember reading a post saying dodge uses high flow cats to begin with and there is no real need to replace it in a newer vehicle, any thoughts?
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b1llyw
DakotaEnthusiast
12/20/2002
14:17:47
| RE: Hi-Flow cat on a 4.7...
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I've had high flow cats on a 2000 Ram and on my 1995 Dakota. In both cases, I noticed a marked improvement in sound and power.
Bill White - 2002 QC 4x4, SLT , 4.7, 5 spd, 3.92 9.25, 1995 Dakota CC, 4x2, SLT, 318, 5 spd, 3.55 8.25
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