Muffler Question...
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Magnaflow is very good. I don't know if just adding a better flowing muffler will help or not. Your flow will only be as good as the most restrictive point. This could be intake, heads, headers, cats, exhaust, or mufflers. If any of the others are more restrictive, you will not realize anything but a noise change.sinnerFA said:
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Nope, but here's a page with the measurements you'll need. http://www.magnaflow.com/02product/shopdisplaycategories.asp?zone=main&id=303
If you call them I'm sure they will tell you which one. I'm doing a cat back eventually, but have a few other more pressing needs.
If you call them I'm sure they will tell you which one. I'm doing a cat back eventually, but have a few other more pressing needs.
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A ran into a guy at the dealership with a Titan. He went to a muffler shop and just replaced stock muffler with Magnaflow. All he wanted was louder and lower sound. That's exactly what he got and it sounded great.
He wasn't looking for more power, just sound.
If I remember correctly, he said he paid $180 cash for the job. Included muffler and labor.
Sorry I didn't get the Model # of Magnaflow.
He wasn't looking for more power, just sound.
If I remember correctly, he said he paid $180 cash for the job. Included muffler and labor.
Sorry I didn't get the Model # of Magnaflow.
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5,214 Posts
I don't think this is the best way to go. After you have bought the muffler and paid to have the modifications done to the stock system in order to use the muffler you will spend about as much as if you bought a cat back system and installed it yourself. The most restrictive part of the stock system is the Y pipe, where the two head pipes join. You will still have this restriction after you install the new muffler. Also the complete cat back systems are designed as a system, with all the parts working with each other. You won't get this with just a muffler replacement.
The cat back systems, such as the Gibson, are a bolt on unit; no cutting or welding needed. Everything fits well, all the bends are mandrel bent, and the installed system looks professional.
I think the best system for the Armada is the Gibson 3" single. It has a good sound and produces a performance increase in the lower RPM range, where it is the most usefull. If you search posts here and on ClubTitan you will find several posts about the Gibson system, including some dyno testing.
The cat back systems, such as the Gibson, are a bolt on unit; no cutting or welding needed. Everything fits well, all the bends are mandrel bent, and the installed system looks professional.
I think the best system for the Armada is the Gibson 3" single. It has a good sound and produces a performance increase in the lower RPM range, where it is the most usefull. If you search posts here and on ClubTitan you will find several posts about the Gibson system, including some dyno testing.
Y keep the Y pipe
Climb under there and take a look. I am still trying to figure out Y the dang thing is so restricitive from the factory. Can't imaging touching my exhaust without getting rid of the Y pipe. I will be following SCRs advice and getting a Gibson when the time comes. At least I have another excuse, as it will help gas mileage a bit (better flow, you know!)
Climb under there and take a look. I am still trying to figure out Y the dang thing is so restricitive from the factory. Can't imaging touching my exhaust without getting rid of the Y pipe. I will be following SCRs advice and getting a Gibson when the time comes. At least I have another excuse, as it will help gas mileage a bit (better flow, you know!)
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When looking at the Y pipe it doesn't seem restrictive. But if you cut it apart you will see the problem. They crushed each head pipe to a half circle then joined them togather. Look at the attached picture from RockyMtnTitan and you will see the problem. If you look at the aftermarket Y pipes, such as the Gibson, you will see that the two head pipes go into a collector, which results in a very smooth transistion without the restriction.
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Hey scr,
I'm thinking about the Gibson..don't you have it installed? I'm worried about how much noisier it is- the stock system is just right volume-wise. I could probably stand it a bit louder, but definitely no 'drone'. If it truly produces additional torque in the low range that would be nice. The last system I had (Corsa) on my Tahoe 5.3 actually lost me low end- it was a single side exit with a dual tip.
I'm thinking about the Gibson..don't you have it installed? I'm worried about how much noisier it is- the stock system is just right volume-wise. I could probably stand it a bit louder, but definitely no 'drone'. If it truly produces additional torque in the low range that would be nice. The last system I had (Corsa) on my Tahoe 5.3 actually lost me low end- it was a single side exit with a dual tip.
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I have had the Gibson single installed for about 10,000 miles now. There is very little difference in sound at idle. It is a little louder with heavy acceleration, but it is a good sound, not raspy. The Gibson is louder at crusing speeds of 50-65, but at 70-75 it is about the same as stock. Above 75 you almost can't hear it.adjmcloon said:
There is no low end lost with the system; in fact there is probably a little gain.
With just the Gibson system, a Volant and Airaid TBS I have seen good low end increases. 0-60 in 6.86 sec, 60' in 2.296 isn't bad for a vehicle this large. This is in 90+ temps.
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Flowmaster anyone?
Did I miss it or is nobody interested int eh Flowmaster option? I've heard some titans with 50's and it sounded pretty tough.
Did I miss it or is nobody interested int eh Flowmaster option? I've heard some titans with 50's and it sounded pretty tough.
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