Need some serious muffler help!!!

Well the past few weeks ive decided I needed to get rid of my crappy sounding flowmaster which happend to sound even worse after I installed my LTs, but needless to say the past couple weeks ive been going back and fourth on figuring out which muffler I want to run I was looking at some magnaflows and the hooker aero chamber and if I got lucky and came across a corsa I was going to buy that. Well I made an idiot mistake of buying a dynomax bullet to see how it would sound and what a mistake that was I put it on yesterday and just dumped it under the bed and its just annoying I dont know what the heck I was thinking I mean at some RPM ranges it sounds alright but at WOT its just a rasp machine! The way I look at it now though is oh well it was only 43 bucks or so so ill either try to sell it or just take a loss of 40 bucks on it. But now I need some good suggestions on a new muffler. Really leaning towards a magnaflow now but Im just not sure which one to get since there are so many different ones. What Im looking for sound wise is something that has a good V8 tone at cruising speeds and then really comes alive at WOT but also would like very little rasp. Its a 04 silverado with a 5.3 and as far as engine stuff all I have right now is pacesetter ceramic long tubes and their ORY and a CAI and a nelson tune. But any suggestions would be awesome. Im open to all suggestions such as single or dual outlets but it would have to be a 3in single inlet. Sorry for the long rant of a post!

I have a magnaflow catback on my rig, and granted I don't have LTs and an ORY but it has a deep tone, and doesn't rasp one bit. My friend has a TBSS with LTs and an ORY with a corsa catback, and it rasps pretty nasty. It has a nice idle and all, but at WOT it sounds like an fbody with their nasty ass rat-a-tat-tat sound. The aerochamber would be a little better than a flowmaster, but not much better. I would probably recommend the magnaflow catback, and maybe running it all the way back behind the right rear wheel one pipe coming out of the side. That's how mine is, and I'm happy with it. We'll see how it goes when I buy the ebay headers everyone seems to love so much.

I dont really want to buy an entire catback system since I already bought the flowmaster catback system that exits in front of the rear tire so I already have the 3in intermediate pipe so my plans as o now is to get some sort of magnaflow with a 3in inlet then have it come out before the rear tire. Any idea which magnaflow muffler you have such as round case or oval case and how long it is?

This is the exact catback I have, the muffler is sweet for a DD.

http://www.magnaflow.com/02product/s...ne=all&id=1745

I like the fact that its all stainless too. I just want to make sure that whatever magnaflow I buy isnt too quiet I like it to be decently loud but a good sounding loud.

jordan sounds like youre wanting a BORLA?

Yaaa I was just looking at those, they are just pretty pricey so if I were to buy one Id want to make sure or be assured Id like it. The way I see it is I have LTs so I want to be able to hear them I want the truck to be lound but sound good not loud full of rasp. Like the loudness of the bullet I just put on is alright but at WOT it rasps like crazy and when you lug it around it has the worst drone I dont think it could drone any worse to he honest. But I have to get another muffler quick. Part of me wants to meet in the middle and get some sort of magnaflow since I dont really feel like spending almost 200 bucks on a borla. Ahhh I dont know what to do this shouldnt be this difficult, keep the suggestions coming

Install an STS turbo muffler, they're kind of pricey but right out of the box they add 35% more HP to your ride. :)

I have a 3" DI/DO magnaflow oval style muffler on the OBS and it sounds sweet at idle and will scream at WOT. The larger pipe you run the deeper the rumble will be.

Well Im defenitly going to do 3in I cant really do DI because I have the pacesetter ORY right now. The flowmaster I had before was 3in inlet and dual 2.in outlets which exit before the rear tire I was kind of thinking doing a SI/SO 3in and just have one tip coming out before the rear tire or just dump it under the truck. Im just having trouble picking a muffler that will be somewhat loud but still have a good deep rumble and little rasp.

Youtube some sound clips or something, I bet there's a ton of stuff on there.

Ive tried a ton of times Im always looking on there. Its hard to find people with longtubes. Or theyll have long tubes and a cam. But Ill check again

noise levels are only important if you don't run the outlet past the body lines. When you dump the exhaust under the truck you're going to get obnoxious noise droning in the cab. Even with the STS, if I didn't run the pipe out from under the truck it was awful inside the cab. Once I ran the pipe out the back the tone of the truck changed completely. I bought a 4" magnaflow stainless exhuast to run it out the back of the truck on the passenger side similar to stock and it sounds great without a true muffler on the truck.

Just get the biggest Magnaflow you can buy, either way with longtubes dont expect much though. Might also want to consider adding resonators to your setup as that WILL help with the raspiness

Run the bullet along with a Hooker aerochamber, The bullet will take out some rasp and the aerochamber should give your exhaust a nice rumble without being to annoying. I ran the hooker before my Lt's and it sounded great dumped under the bed.

That sounds like a good idea, but with the bullet before the aerochamber will it be pretty quiet? Ive heard some people say their aerochambers are loud and then some say they are quiet

Everyone has a different opinion on whats loud and whats quiet.

I don't think that set up would be quiet or loud. Dumped after axle would have a better tone though

I think what Im going to do is a oval case magnaflow that is more on the loud size but has a good tone at WOT and I am going to have it exit before the rear tire. The last issue I have now is what size oval case length magnaflow to get and still have it be decently loud. Anyone have any suggestions on which size case?

14x5x8 case is what i ran with lt's, sounded great but had rasp from 3k up

Ya thats the exact one I was looking at. Do you think the 4X9 14in case magnaflow would still be raspy or what about the 5X11 14in case I think it is anyone have an idea how the 2 of those sound? Im leaning towards the 5X8 14in case magnaflow and maybe run the bullet before it to cut down on rasp

Ive seen a 4x9x14 and it LOOKS like it would rasp much more. I just ordered a 5x8x14 so ill let ya know how that goes and get a vid also

That would be awesome. I think im going to do the same planning on ordering it tomorrow I cant take this bullet anymore. I think im gunna get the 5X8 14in case magnaflow and then run some sort of tip out before the rear wheel even with the body so you can barley see the tip

jordan just man up and stop being a homo and put a turbo on it!!! u could have saved money on the long tubes and ur cai!

yaaa alex I know, Id have to liquidate some other toys to afford everything I need for a turbo set up

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Originally Posted by Jordan836

yaaa alex I know, Id have to liquidate some other toys to afford everything I need for a turbo set up

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At the start of the thread what you wanted seemed to me like a borla but what you've opted is also a very good choice. However you do it, now or later, at the end of the day be satisfied with what you did. All the best !