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FishPony
Dodge Dakota
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11/02/2002
13:47:36
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 Subject: muffler for 3.9?
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Message:
Hey i have a 92' dakota ext cab V6 and my muffler went out so the shop just put on a glass pack, and it sounds like SH*T sounds like a damn ricer. i need some help what kind of muffler should i put on to make it deeper and sound better. also how much more expensive would it be to put on a dual out muffler and then making it dual out the back? thanks for your help
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DakotaDan
*GenIII*
11/02/2002
16:01:35
|  RE: muffler for 3.9?
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DynoMAx Super Turbo # 17748 2.5" in 2.5" out
That part # works on the newer trucks, I'm not sure on your year but they should have one that will just make sure it's one of the longer mufflers
#17748 is 20" long
Dan
"Can You Hear Me Now"........................................GOOD !!!!!!!!!!!!!!!!!!!!!!!!!
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Pistolero
Dodge Dakota
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11/02/2002
19:40:49
| RE: muffler for 3.9?
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Hey Dan, maybe you've seen a post or two that I've left, bemoaning the sound from my Magnaflow. In your best, honest estimation, being the upstanding, fine citizen that you are, would you say that the sound from your Super Turbo is even CLOSE to a V8's exhaust note? I love the muffler, but I don't care for the sound at all, and I'm thinking of swapping it out. I preferred the stock sound (which was almost no sound), to the Magnaflow's sound out of a V6. Thanks...P
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DakotaDan
*GenIII*
11/02/2002
21:39:53
|  RE: muffler for 3.9?
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"LOL"
Hey Pistol pouring it on a little heavy there, hehehe.......................Thanks
Yes I have read of your displeasure expressed in the muffler you purchased ;(
IMO a V6 is better seen and not heard, it's hard to get rid of that high pitch sound. I have a $40. buzz box sitting in my garage right now the #17733 was the first muffler I put on, it sounded great at first but after the 1k burn in, it had a droning buzzzz ( in cab) at around 1500 rpm pain in the butt around town, out on the highway you didn't notice it.
Ok now for the V8 sound :) When I start my truck and you stand outside to the rear of it you could easily mistake it for a V8 it has a nice mild rumble. I have never heard my truck outside with someone else driving it past me, (heaven forbid that ever happen) :) so I can't comment on the sound of it like that. Inside there is no droning buzzz, you don't have to turn the radio up to hear you favorite tunes, when you stomp on it you get a nice deep mellow roar of acceleration not of a true V8 but far from RICE
I would rate this muffler 1-2 notches (louder) above a factory muffler in sound. One of the first things I notice when I changed to the 17748 muffler over the 17733 was the return of some low end TQ, guess the longer muffler had a little more back pressure to it. I have about 11k miles on it now and I'm still very satisfied with it.
I don't remember if you had a CC or RC but someone wrote that they bought a #17748 and it didn't fit their RC truck, I find it had to believe that Dodge put different mufflers on the RC & CC but it could be.
Check my TruckWorld gallery for some info on the two part #'s
Hope that eases your pain
Dan
"Can You Hear Me Now"........................................GOOD !!!!!!!!!!!!!!!!!!!!!!!!!
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DakotaDan
*GenIII*
11/03/2002
10:32:29
| RE: muffler for 3.9?
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Message:
Pistol
I was looking at Magnaflow's web site.
I see the muffler you chose #14256
I also see they have a #12286 24" long listed in their Universal Aluminized section that looks like it would be a direct bolt in, to bad they don't have that one in SS
Dan
"Can You Hear Me Now"........................................GOOD !!!!!!!!!!!!!!!!!!!!!!!!!
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FishPony
Dodge Dakota
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11/03/2002
14:15:27
| RE: muffler for 3.9?
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Message:
so if i put on that super turbo how much better will it sound than a glass pack. will it burn out or anything?
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Pistolero
Dodge Dakota
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11/03/2002
17:41:30
| RE: muffler for 3.9?
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Dan, I'm by now well familiar with the 1500-2000rpm drone of which you speak. The Magnaflow actually sounds excellent at idle, but when it hits about 1800rpm, it takes a sudden and abrupt noise level increase, and from there on up, it just sounds like vintage rice. Maybe, I was expecting too much out of a V6 and a straight through muffler, but I didn't think that a V6 would be so much closer to the sound of a 4 banger than a V8. I hate to give up the quality of the Magnaflow for something else, but I'm gonna have to do something. I put an 8" Gibson slash tip on the stock tailpipe, so that looks pretty good, at least.
My truck's a RC, but the stock muffler was 24" long, so I don't see why a 20" muffler wouldn't work on it. I suppose that I could just go back to the muffler shop and have them put a muffler that's comparable to the stock muffler back on it, but that seems like a futile experiment, especially keeping in mind the other mods I have lined up for it. All things considered, $40 for the 17748 isn't that big a deal...I'll probably give it a try, and try to sell the Magnaflow...P
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DakotaDan
*GenIII*
11/03/2002
18:42:12
| RE: muffler for 3.9?
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Pistol:
I have read that the distinct sound from our V6's is do to the fact that they are an odd firing engine.
I am working on recording a wave file of my exhaust system sound, hope to have it by next weekend.
I will let you know when I get it done.
FishPony:
I don't know what to tell you that isn't already printed here. The SuperTurbo isn't a stright through muffler it is full flow but has a "S" chamber to it.
Dan
"Can You Hear Me Now"........................................GOOD !!!!!!!!!!!!!!!!!!!!!!!!!
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FishPony
Dodge Dakota
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11/03/2002
23:09:20
| RE: muffler for 3.9?
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Message:
so will pretty much every muffler i put on make a ricer sound at about 1800 rpm? any other suggestions for mufflers for a V6
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FishPony
Dodge Dakota
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11/03/2002
23:47:23
| RE: muffler for 3.9?
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i think i might just buy the dynomax 17748 does anyone know about how much it costs to have a shop put one on? also anyone had a shop put on dual splitting at the muffler, would anyone know about how much that would cost?
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Pistolero
Dodge Dakota
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11/04/2002
10:13:09
| RE: muffler for 3.9?
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FishPony...I think what Dan said about the V6 sound is right...I'd hoped that the V configuration and the firing order would make the V6 sound very close to a V8, but, I found out that that was not the case. Some people will probably try to tell you that their V6 sounds just like a V8...well, I'd guess not. They've probably just succeeded in fooling themselves into thinking that it does. Some may sound MORE like a V8 than others, but I doubt that there's any way to make a V6 sound just like a V8...it's the nature of the beast. Hopefully, there's something out there that won't make it sound just like a Honda, though, which is what I have at the moment. If I could find something to tone down the drone to a quiet burble, I'd be much happier, but I don't want to have to go back to stock to do it.
I paid $60 to cut out the stock muffler and install the Magnaflow...so, now, I'll probably get to pay another $60 to put something else in there. I'd thought about running split duals out the back, but that would've cost me almost $400...they have to bend and custom build the pipes, and that can get expensive.
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lowdaksport
Dodge Dakota
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11/04/2002
16:57:41
| RE: muffler for 3.9?
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gibson sounds better than v8 at idle. i would guess it sucks as the rpms get up there i have never heard one driving just backing up into a parking spot at truckfest
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DakotaDan
*GenIII*
11/04/2002
19:05:52
| RE: muffler for 3.9?
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Pistol:
I would think if you could handle the Header install you could do the muffler Not much to it.
I wasted 3 hrs trying to save the factory one, then out came the sawzall, cut it out and had the new one in about 30 min.
The Magnaflow looks like it is about the same hookup as my DynoMax as far as center/offset
Did you see my install photos
http://www.dodgetruckworld.com/mygallery.asp?id=3242&album=6698
Dan
"Can You Hear Me Now"........................................GOOD !!!!!!!!!!!!!!!!!!!!!!!!!
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Pistolero
Dodge Dakota
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11/05/2002
00:08:59
| RE: muffler for 3.9?
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Dan, I'm sure that I could swap the muffler out...I almost did it myself, but I looked at it and thought, naw, I don't want to lay on my back for 3 hours for $60, so I drove the 1/2 mile to the muffler shop (I don't own a sawzall). Took them 20 minutes while I sat in the lobby and read the newspaper. I've looked at their install...they did a good job, and the Magnaflow fits in there really nice. They also added a short piece of extension pipe.
I looked at your install on your webpage...nice pics. I've swapped out several mufflers before on other vehicles in years past, but my motivation for doing that is getting less as I get older. Buying all of these parts for this Dak almost feels like an out-of-body experience at this stage in my life :-)...P
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Eggman
Dodge Dakota
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11/05/2002
12:46:23
|  RE: muffler for 3.9?
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Hey guys,what's up with the bubbling sound 3.9 s make when you let off the gas?Is it turbulence at the y pipe or what???
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Turbo
Dodge Dakota
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11/05/2002
14:04:14
| RE: muffler for 3.9?
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I just replaced my exhaust with a cat back dual exhaust for $200. It came with resonator tips and I think that it sounds much better. Muffler was not replaced. It uses a Y-pipe right behind the cat and two nicely bent custom pipes run to rear (not side). Sound is not much louder and plenty of deep rumble. manufactured by Heart Throb
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Pistolero
Dodge Dakota
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11/05/2002
17:05:35
| RE: muffler for 3.9?
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Message:
Turbo, how did you manage to keep your muffler if you installed 2 new pipes straight off the cat? Do you mean that you ditched your old muffler and the new pipes just have resonators on them? I've never heard of that setup before...I'm assuming that you also have a 3.9 V6??
I found a Walker Quiet Flow muffler on the web that looks like it could be promising...allegedly almost as quiet as stock, has over 70 miles of woven fiberglass, and flows 35% better than stock, similar to a Super Turbo.
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Pistolero
Dodge Dakota
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11/05/2002
17:13:21
| RE: muffler for 3.9?
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Turbo, how did you manage to keep your muffler if you installed 2 new pipes straight off the cat? Do you mean that you ditched your old muffler and the new pipes just have resonators on them? I've never heard of that setup before...I'm assuming that you also have a 3.9 V6??
I found a Walker Quiet Flow muffler on the web that looks like it could be promising...allegedly almost as quiet as stock, has over 70 miles of woven fiberglass, and flows 35% better than stock, similar to a Super Turbo. I've never seen anyone mention them on this board, though...
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DakotaDan
*GenIII*
11/05/2002
18:21:01
| RE: muffler for 3.9?
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http://www.tenneco-automotive.com/
Dan
"Can You Hear Me Now"........................................GOOD !!!!!!!!!!!!!!!!!!!!!!!!!
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Turbo
Dodge Dakota
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11/07/2002
17:13:20
| RE: muffler for 3.9?
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Message:
Pisto...
That's right. The old muffler is history and there is a y-pipe where it used to be. 3.9L v6. Yep, exhaust pipes run to the rear and I cut them so that the resonators stick out behind the rear bumber about 1/2"
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sean lyngen
Dodge Dakota
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11/07/2002
21:11:40
| RE: muffler for 3.9?
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Message:
Fishpony - I have a 3.9 as well and was in the same situation. I had a shop install a custom dual setup with chrome cans, very nice install but they installed a Ravin, bad move. After spending time with this site I settled on the 17748 just like Dakota Dan. It cost about $130 for the shop to remove the old muffler and install this new one. I've been very pleased with it. I would agree completely with what Dan had to say about it. VERY nice rumble at idle, not too loud on acceleration but no V8 sound while accelerating. I have heard mine drive away from me, it's not bad sounding, deeper than stock, but no V8. Hope that helps.
Sean
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aden
Dodge Dakota
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11/07/2002
21:46:31
|  RE: muffler for 3.9?
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Message:
hey dakotadan iwent to have a supa turbo fitted to day had it out the side in front of the
wheel with one of those like 6x1.5 vette style
tips up tight to the rocker sounds kinda weird
ma q is are dyno max stamped on both sides of the
muffler cos mine dont got nothing on it at all
looks like a25$ muffler your thoughts please cos iam ready to take it back tommorow if its
wrong. looks cool all tuked up though
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Pistolero
Dodge Dakota
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11/09/2002
13:28:51
|  RE: muffler for 3.9?
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Message:
Hey Dan, just an update on the muffler dilemma on my truck...what a deal! I took the truck in to the muffler shop yesterday morning, and told them that I wanted to remove the Magnaflow. I was just going to go in and have them check it out, so that they could see what muffler would work, order it, and I'd come back another time. I was figuring on getting a Walker Quiet Flow.
Well, the manager took a look at it and asked me, "How about a Turbo muffler? I've got one in stock." I said that I'd considered one, and asked him if it was a Walker...I didn't even think about asking what model #. He said yes, it was a Walker Super Turbo, so I said go ahead, but I'd like to listen to it before he welded it up. They called me out into the shop, and I listened to it...it still sounded a little louder than I wanted, so I got in the cab, and it seemed quieter than the Magnaflow, so I said "OK." They finished up and I drove off.
By the time that I'd gotten a mile away, I knew this wasn't going to work...I pulled into a parking lot and looked, and it was a 17732...the little 14" shorty like you first installed, only offset in/out. It buzzed like a bee in the cab and was louder than the Magnaflow!
I drove back to the shop...a bit embarrassed at having to go back a THIRD time, and told him that that muffler wasn't going to work. I had him check on a Quiet Flow, but Walker doesn't list anything for anything newer than 1999, apparently...???...so I just said, look, I want a Dynomax 17748. He said, "It'll sound the same". I said, "Well, it's 6" longer, so it's bound to be a little quieter." He said, "It won't make that much difference" I said, "Well, I can't live with this one, so whatever it sounds like, I'll learn to love it." He called up his distributor, and I went back 2 hours later to get it installed.
When they started up the truck, it did sound very similar to the 17732, so my heart sank yet again. But, when I got in the truck, I noticed an immediate difference. It was MUCH quieter in the cab, and it didn't sound as ricy as the others. Still a little ricy, but not bad, and at a sound volume that I can tolerate. So, I'm happy with the 17748, too. What a debacle! The manager was very interested in any difference between the two mufflers, and he wants me to come back and let him know how it's doing. I couldn't believe how awful that 14" muffler sounded!
So, I now own a Super Turbo 17748, and have a slightly used Magnaflow #14256 for sale.
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DakotaDan
*GenIII*
11/09/2002
14:17:49
|  RE: muffler for 3.9?
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Pistol:
Hope you continue like your new muffler as it burns-in usually about 1k miles, mine got a little louder and deeper.
Your sound may change as you get the TB and intake on, I would have to think it would get deeper with more air coming it and going out.
Now get busy and notch that air hat and stop letting that stuff collect dust hehehe......
Dan
"Can You Hear Me Now"........................................GOOD !!!!!!!!!!!!!!!!!!!!!!!!!
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Pistolero
Dodge Dakota
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11/09/2002
15:33:47
| RE: muffler for 3.9?
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All in good time, my friend...still waiting for that odometer to hit that 5K mark, and get past the first oil change...haven't driven it much since the weather's been crappy for the last 2 weeks...as long as I still have my B2500, I drive it in the rain so I don't have to spoil the nice, clean Dak!!!...hehehe
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DakotaDan
*GenIII*
11/09/2002
16:34:09
|  RE: muffler for 3.9?
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700 miles Install K&N FIPK & DynoMax #17733
1500 miles Change #17733 for #17748 : )
5100 miles Install V8 TB & Cable
8800 miles Install Crower 1.7 RR's & Autolite 3923's
9400 miles get rid of Autolites back to Champions
11000 miles port V8 TB - Relocate MAP vacum to 1/4" left side intake port
12000 miles Install 180* T-stat
12300 miles remove 180* T-stat put factory back in
12500 miles install Bosch Super 7562's
Mobil 1 10w-30 & Mobil 204 filter on all changes
13600 miles What next ??????????????????????? hehehe...................
Dan
"Can You Hear Me Now"........................................GOOD !!!!!!!!!!!!!!!!!!!!!!!!!
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Pistolero
Dodge Dakota
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11/10/2002
02:07:50
| RE: muffler for 3.9?
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Thanks for the chronological listing, Dan! Right now, my truck has about 2200 miles on it. At 800 miles, I installed the B&M Supercooler tranny cooler...at 1800, I installed the headers, and at about 2000, I installed the Magnaflow. No, it didn't last long :-(...oh, well...
Tonight, I trimmed the locating tabs out of the airhat and matched it up to the F&B. I also checked the TPS voltage - .558 volts, so I might fiddle with that some. My TPS is held on by torx screws...gotta get some torx sockets or drivers.
What did your MAP vacuum relocation do for you? I haven't heard of that one...did you find out about that on the net somewhere? I'm also going to go with Mobil 1 oil and filter...have them waiting for first oil change.
A bit of an interesting anecdote...while I was getting 1 of the mufflers installed yesterday, an old guy (older than me) with an '85 Chevy pickup came in to get a new cat...he saw my truck in the bay, and said, "That looks like an awful new truck to be needing a muffler." I said that I was playing with it a bit, trying to switch out the stock muffler for something that'd let it breathe a little better, and maybe have a little extra performance in it. He said, "You must like noise and spending money." I already felt like an idiot at that point, so I didn't really have an answer for him...just as well!...P
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DakotaDan
*GenIII*
11/10/2002
09:40:12
| RE: muffler for 3.9?
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Hey Pistol:
I would hold off until you get the F&B on to fine tune the TPS voltage, If the throttle shaft on the F&B is in just a slightly different position it will give you a different reading. Mine was 7.25, I tried to raise mine with just the movement within the screw holes and got it to 7.77 but had to put it back, truck wouldn't idle right.
MAP:
Seem like after I did the RR's (and got rid of the autolites ) I would get a "pop" or a backfire in the TB sometimes when I accelerated hard, So I was reading on Speedtweaks site about "Rough idle Big Cam" Relocating the vacuum line to a bigger source on the intake, I thought well the 1.7 RR's increase lift so they would be seen as a bigger cam ? Well anyway I haven't had a "pop" after I changed it. I'm really interested in your progress just to see if you inherit any of the same traits as I did with my Mods.
Old Guy with 85 Chevy:
All I can say is he must be pussy whipped if all he got was a new CAT hehehe......................
Now ask yourself would you buy a used Dak after reading this web site hahaha............
Dan
"Can You Hear Me Now"........................................GOOD !!!!!!!!!!!!!!!!!!!!!!!!!
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Steve
Dodge Dakota
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11/10/2002
12:42:07
| RE: muffler for 3.9?
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Why is it seem that everybody like they throw away mufflers. I had a super turbo cut it off after about 15K it resonated so bad.They all sound nice when u first get they and then the packing burns out. Thats why they are so cheap 25 to 40 dollars. So if get a flowmaster in the first place no packing inside to burn out it will cost less because u arent changing muffler after muffler. All these mufflers have packing in them all except a flowmaster they dont change after miles and miles.I put a 50 series and 3" out the back on my 93 and its sounds great and the same sound since its been on . See if I would have put a flowmaster on in the first place I would be money ahead because it have 3 mufflers before. People think more tubing and 2 mufflers will make the truck run better but remember its a V6 not a 500hp V8. If u run single 2.5" tubing
and flowmaster will have
more torque in the bottom end and if 3" ex you get more top end torque and hp. Doing anything more than a single ex u are killing hp and torque
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Pistolero
Dodge Dakota
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11/10/2002
17:46:21
| RE: muffler for 3.9?
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Message:
Dan, thanks for the heads up on the TPS mod. I wasn't going to do it until I swapped out the TB...wouldn't make much sense, I suppose, but I was curious to see where it was sitting now.
Where precisely did you relocate your MAP vacuum line to? I noticed that there's a capped off vacuum port on the airbox side of the intake manifold...is that the one you used? Did you just move the MAP hose to that port? What did you do with the "Y" fitting that the MAP hose originally plugged into, under the power center? Cap it off? I haven't checked Speedtweaks site yet, so apologize if all this stuff is spelled out somewhere else.
I may not be able to retain my patience until 5000 miles before I start to install these parts. It's the little, unspoken things that nag me in the back of my mind, though...the not always so good stuff that happens as a result of these wonderful mods that we all talk about...like backfiring, stumbling on takeoff, whatever...I hate having to do things 2 or 3 times (like my muffler) before I'm satisfied, or fix other little nagging problems that crop up as a result of some mod, or, worse yet, having to go back to where I was when I started after having wasted 3 days trying to make something work!! That's when I really feel like a sap. Also, even though I feel like I'm OK legally, I'm still not entirely at ease with modifying a brand new truck, and having to possibly fight an ensuing warranty tangle.
Steve, I hear what you're saying...personally, I didn't want a Flowmaster. For reasons that I won't get into in detail, I was confident that the Magnaflow was the better muffler for me...but, it just sounded bad on a V6, IMO, so I wasn't happy with it. If my $40 Super Turbo lasts me 25K, I figure I'll get my money's worth out of it...no big deal if I have to swap it out again. I kept the single out 2 1/2" pipe. I figure mufflers are 1 of those things in life that no one can tell you what you'll like...you just have to try 1 and see. If you like your Flowmaster, I think that's great...P
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Dirkota
Dodge Dakota
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11/10/2002
18:26:07
| RE: muffler for 3.9?
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So Steve, your saying a 50 series flowmaster with 2 1/2" in and 3" out is the optimum muffler for my V6? I don't want to do anything more then replace my stock muffler and I need to keep it semi quite. Thanks
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