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KPK
Dodge Dakota
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6/09/2003
14:37:15
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 Subject: 3" flowmaster for a V6
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I've called flowmaster and they said that they don't make any kits for a 2002 Dak Sport 3.9l. I want a 3" kit with a 50 series, but would settle for a 2.5". I was also looking for the pipes to be mandrel bent, any help would be great.
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mb
Dodge Dakota
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6/09/2003
16:17:01
| RE: get another brand
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Check here:
http://www.thorleyheaders.com/chrysler_catbacks.html
Just what you want I assume.
Great stuff.
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John 93 Dak
Dodge Dakota
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6/09/2003
17:32:11
|  RE: 3
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Jegs has a 3" exhaust for the 00 to 03 Dak with a V8 that "should" work decently according to my brother. I have not done this myself, but I am planning on attempting to put that system on my 93 Dak. Anyone out there have any experience out there with this?
Anyway here is a direct link to the Cat Back system at Jegs.
http://www.jegs.com/cgi-bin/ncommerce3/ProductDisplay?prrfnbr=45259&prmenbr=361
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J and J Auto
Dodge Dakota
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6/09/2003
20:33:48
|  RE: 3
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You might lose some low end torque with a 3 inch.
Here is what I am running with a stroked motor 48 F&B
ported heads cold air intake 92 performance V6 PCM
and a modified intake manifold
But I am a little eccentric with my truck
It flows excellent and no low end loss. you do need a little
back presure with the V6 or you lose low end torque.
JBA headers with the bungs cut off, 2 1/2 inch pipes welded
and mandrel bent going into a Y pipe 2 1/2 to 3 with about
a foot and a half 3 inch than I reduce to 2 1/2 into a dynomax
11748 I think the # and a factory 2.5 tail pipe.
Oh Ya No Cat
With the mods I have it works nice. You don't need to go 3
Larry
J&J Auto
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slopehead
Dodge Dakota
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6/09/2003
20:34:44
| RE: 3
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no no no no no noo! you donot want to use 3" pipe on a 6, you will loose way too much low end and gain little in the top. If going to true duals on a 6 you want 2 and on a single to dual split you want the single to be no bigger then 2 1/2. 3 inch pipe should be banned from ALL small blocks and then used only on streetable big blocks over 425 CI.
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John 93 Dak
Dodge Dakota
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6/09/2003
22:22:47
|  RE: 3
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Slopehead and J and J Auto,
Thanks. I was going to be buying a 3" system after I get paid next week. I will be buying the 2 1/2" system instead.
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Wadak
Dodge Dakota
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6/19/2003
22:57:11
| RE: 3
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J and J Auto; It sounds like you have quite a truck. I was wondering if you have ever checked your 1/4 mile or 0 to 60 times even though it sounds like your daily driver. I have a 97 exta-cab 2 wheel drive v6 that's a work in progess. I have cold air intake, v8 throttlebody flowmaster 70 series msd 6a, msd super conducot wires, bosch plus 4's. I achieved the biggest gains with the v8 throttle body to date.
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J and J Auto
Dodge Dakota
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6/19/2003
23:22:00
| RE: 3
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Wadak,
Drop a set of 1.7 crower roller rockers in your
truck and you will see some real nice gains.
15 to 18 RWHP very noticeable
I tried the +4's in my truck good for low end
but anything over 2000 was doggie. Get yourself
a MSD SS Blaster coil to go with your MSD 6a and
a set of autolight 3923 and gap them at .050 and
you will really notice the improvement its the
best combination I have found yet.
Try a 180 thermostat it will also help, than think about
a set of JBA headers.
It is my daily driver I make excuses just to get out
and drive it because its so much fun, I spent over
$6000 in the last year and a half moding this truck
and I just love it.
I am also running a 1600 stall torque converter, I would
say I am in the 14's I will get to Union Grove one day
and get some #'s Its fast actually scary at times.
Heres some pics if you would like to take a look
http://www.exc40.com/dakota
Larry
J&J Auto
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Spencer
Dodge Dakota
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6/20/2003
20:56:03
| RE: 3
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the system i was going to do before i decided on full dual was run dual 2 1/4" for about 3 feet off the headers, then run those into a muffler that had a single 2 1/2" outlet, then run the single out the side, the reason being that when exhaust comes out of the engine, it is hot and it takes up a lot of room, but as it gets toward the end of the exhaust system, it has cooled down, and takes less room, thats why you can get away with the single 2 1/2", just something to think about
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J and J Auto
Dodge Dakota
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6/20/2003
21:10:54
| RE: 3
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Message:
Spencer,
That is just about what I have.
2 1/2 off the headers both about 3 feet
than both run into a 2 1/2 Y to 3 about
a foot and a half of the 3 inch than reduce
to 2 1/2 right in front of the muffler and
a factory single 2.5 tail pipe and it works
great.
Larry
J&J Auto
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dakotaster
Dodge Dakota
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6/20/2003
22:59:34
| RE: 3
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Message:
stupid question but what is a msd 6a.i was reading these threads and was thinking about trying some of these to my 02 3.9 Quadcab.I was also thinking of getting a 2.5 gibson stainless exhaust.How hard is it to change the thottlebody can this mess anything up. Thanks for the info and the help in advance.
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Spencer
Dodge Dakota
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6/21/2003
18:26:41
| RE: 3
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it is the ignition box a lot of guys use, it is very good, helps mostly for economy and getting enough spark to burn the fuel
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quad cab 6 ba
Dodge Dakota
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6/22/2003
13:06:47
|  RE: 3
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I purchased A 3" Gibson cat back for 03 dak w 3.9 v6. It definatley gave me more power thru all ranges I just don't care for the sound out the back. It kinda makes it sound a little sports carish.
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Dakotaster
Dodge Dakota
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6/28/2003
22:14:40
| RE: 3
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hay quad cab 6 ba i just bought the same exhaust and have the same problem with the sound does yours sound loud inside the truck.Mine does and the dame thing is driving me crazy.Look at my post under v6 titled gibson exhaust. I would appreciate any info or help your could offer.And is yours stainless or steel mine is stainless.
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quad cab 6
Dodge Dakota
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7/03/2003
21:10:41
| RE: 3 " power and sound
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I find nothing wrong with going 3" from the cat back on a V6, the only prob w the gibson set up is the sound . I purchased the alum. set up 3" cat back . Power is great the only prob is sound. I did however find a resonated tip at a local NAPA store and it did kill much of the interior low pitched,reverberating at that certain speed sound. it cost me about $30
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intimidater10
Dodge Dakota
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7/05/2003
12:18:32
| RE: 3
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i got a 97 dak and i wanted to start fixen it up so the firt thing i did was put 3"exaust but lost almost all lowend and gaind nothin it didnt even help my gass millage so after a month i went to a 2.5 dule cadie and twin glasspaks and got a alsome sound 4 a v6 and got my loend back and alot of topend and increased gassmilage after the con vert to a ram air it will scream the 120 ont the odomiter meeds to b replaced to bout a 150 cuz i have been chocked by a smoke int the fam that sed i was in excess of 137! but stick w/ the 2.5
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jax
Dodge Dakota
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7/05/2003
12:53:29
| RE: 3
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will i lose low end if i just go from the muffler back 3"
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Pimped02SXT
Dodge Dakota
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7/05/2003
13:55:34
| RE: 3
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Yo, I have an 02' SXT with the 3.9. I need exhaust bad but still uncertain. I was thinkin about maybe just gettin the flowmaster 40 original flow. Will this make a "significant" difference or should I get full exhaust. I know the V8 sound is impossible but I want a louder, somewhat deep (non rice burner) sound.
G
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intimidater10
Dodge Dakota
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7/15/2003
17:47:15
| RE: 3
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if ya go from muffler back it shoud still have good com pression
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no 3 for me
Dodge Dakota
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7/20/2003
14:41:48
|  RE: 3
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i bought a 93 dakota with a 6 in it with 3 inch exhaust a lot of engine noise comes through it.. i dont like it at all.... dont do it..
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96 dak
Dodge Dakota
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7/21/2003
19:37:11
| RE: 3
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the reason you cant find a 3" exhaust is cause a v6 shouldnt have one.
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