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Old 05-12-2010, 09:42 AM   #1
The Reaper
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Resonator Delete VS Muffler Delete

Ok, I am confused. Is this the same thing just by a different name or 2 different items? The large square cans at the rear, are they resonators or mufflers? If I remove them does it void the warranty on the exhaust system? Read several posts on this and I am still confused.
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Old 05-12-2010, 09:59 AM   #2
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The large UGLY boxes at the back that you can see when looking at the car from the rear are the mufflers(I'm getting rid of mine soon...), the resonators are more in the middle, about even with the doors, I think.
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Old 05-12-2010, 03:47 PM   #3
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yea the ones right by the tips are your mufflers and the resonators are towards the middle. I don't think you'll void any warranty removing anything beyond the cats. I've been told resonators act as mufflers and deaden some sound? I don't know what resonators are for exactly..

say you have a completely bone stock SS LS3. if you kept the stock mufflers and h-pipe on but removed the resonators, would you hear any difference in sound? if so what kind of sound difference?
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Old 05-12-2010, 03:54 PM   #4
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it should be a lil loader, but if u want to keet the best sound u should remove both things the reso nd mufflers. i had both remove and is load. but if u dont like load just remove the mufflers. and see if u like it that way or if u want it louder them remove both
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Old 05-12-2010, 04:02 PM   #5
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This is the LS3 system.

The mufflers are in the rear, resonators are in the middle, and the H-pipe is in front of the resonators.

Here is the factory exhaust, the resonators, and what you'll want removed and replaced with straight pipe and an x-pipe.
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Old 05-12-2010, 04:04 PM   #6
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Here is the L99 System.

The resonator is the big ugly muffler looking thing in the middle. The mufflers are still in the rear like the LS3 system.
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Old 05-12-2010, 04:42 PM   #7
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this is going to sound like a dumb question but whats the diff from a ls3 and a L99
this whole time i thought i had a ls3 but mine didnt come with a Hpipe only the huge resonator in the middle like in the second picture
so do i have a L99??
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Old 05-12-2010, 04:51 PM   #8
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my local exhaust guy is going to put a magnaflow x-pipe in place of the resonator and magnaflow mufflers in place of the stockers.... should sound pretty sweet.
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Old 05-12-2010, 04:56 PM   #9
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still going to be quiet i did muffler and resonator delete and not loud enough probably going to have to save for headers
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Old 05-12-2010, 05:04 PM   #10
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Quote:
Originally Posted by caverman View Post
This is the LS3 system.

The mufflers are in the rear, resonators are in the middle, and the H-pipe is in front of the resonators.

Here is the factory exhaust, the resonators, and what you'll want removed and replaced with straight pipe and an x-pipe.
Many Thanks...tried finding pics on google but nothing clear like yours!

I appreciate the info!!!
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Old 05-12-2010, 06:02 PM   #11
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those ugly azz factory mufflers
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Old 05-12-2010, 06:12 PM   #12
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Quote:
Originally Posted by martin_2010 View Post
this is going to sound like a dumb question but whats the diff from a ls3 and a L99
this whole time i thought i had a ls3 but mine didnt come with a Hpipe only the huge resonator in the middle like in the second picture
so do i have a L99??
You can do a search and find more technical info on the difference between the LS3 vs L99.....but here are the basics.

LS3 come in the SS with a Manual Trans (M6). They have 426 hp and ususally put about 375 hp to the tire.

L99 come in the SS with Auto Trans (A6). They have 400 hp and usually put about 330 hp to the tire. The L99 also has Displacement On Demand (DOD) which is to help with gas mileage. The reason the resonator is so huge on the L99 is to quiet it down more so you don't really hear when it drops down into 4 cylinder mode.

If you have the L99 and some exhaust work then I'm sure you're hearing the car go in an out of 4 cyl mode. You'll have to get a tune to get rid of that.
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Old 05-13-2010, 02:41 PM   #13
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I think many are ne'er truly satisfied with their exhaust. Happy with it, yes, but a part of them is left thinking, it could be louder.

after searching peoples resonator delete before and after's, I'm convinced removing the resonators will give just a slightly deeper growl to the exhaust. BUT! Now I'm left wondering if removing the resonators, will it throw a check engine light?
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Old 05-13-2010, 02:45 PM   #14
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no light will come on. only if u remove the catalatic conver. go to a shop and do it i have it like that .
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