Using a muffler as a helmholtz resonator

[Ashikabi]

Morning boys,

My LS1 swapped FRS is too quiet. But the ideal resonator length is impractical without a second bend. So my question is: if I cap one end, will a short fat muffler operate similarly to a much longer resonator when attached at a90 degree angle?

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[weederr33]

Your LS1 V8 is too quiet?? O_o

[Summerwolf]

Originally Posted by Ashikabi

Morning boys,

My LS1 swapped FRS is too quiet. But the ideal resonator length is impractical without a second bend. So my question is: if I cap one end, will a short fat muffler operate similarly to a much longer resonator when attached at a90 degree angle?

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Absolutely no idea on capping a muffler to be a resonator.... but if you do this can you take pictures and sound clips.

I used an SLP LM1 as a resonator in my custom exhaust, but obviously not as a helmholz chamber.

[Ashikabi]

Originally Posted by weederr33

Your LS1 V8 is too quiet?? O_o

Dual pipes with 2 mufflers. It's not QUIET but it's not loud. I tried it the other day with no mufflers and it droned like a bastard. But it sounded good otherwise lol

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[solidsnake11]

Originally Posted by Ashikabi

Dual pipes with 2 mufflers. It's not QUIET but it's not loud. I tried it the other day with no mufflers and it droned like a bastard. But it sounded good otherwise lol

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Did the exhaust end under the car? If it did, extend it out the back and test again.

[Summerwolf]

Originally Posted by Ashikabi

Dual pipes with 2 mufflers. It's not QUIET but it's not loud. I tried it the other day with no mufflers and it droned like a bastard. But it sounded good otherwise lol

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Can you use one of those crossover X mufflers with the way its routed? Heard a bunch of LS cars using just that, always seemed pretty decent to me.

[Ashikabi]

Originally Posted by solidsnake11

Did the exhaust end under the car? If it did, extend it out the back and test again.

Yes it did, I just pulled my mufflers off

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[Ashikabi]

Originally Posted by Summerwolf

Can you use one of those crossover X mufflers with the way its routed? Heard a bunch of LS cars using just that.

X pipes aren't mufflers but I have heard of them making exhaust quieter. I think that would be too difficult to play with to make it worth it. Since they can't be altered easily

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[solidsnake11]

Huge difference in cabin volume between under the car vs out the back.
I had a 6 inch extension for my old 7m toyota pick up that would cut noise in half in the cab, used it, unless I was racing. The exhaust ran out the side under the door. Flush with body vs 6 inches out.

[Summerwolf]

Originally Posted by Ashikabi

X pipes aren't mufflers but I have heard of them making exhaust quieter. I think that would be too difficult to play with to make it worth it. Since they can't be altered easily

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I specifically said crossover x muffler.

https://www.jegs.com/i/Dynomax/289/1...SABEgKTrPD_BwE

Magnaflow, dynomax, almost everyone makes a muffler casing with a crossover built in. Don't know what your setup under the car looked like.

[Ashikabi]

Originally Posted by Summerwolf

I specifically said crossover x muffler.



https://www.jegs.com/i/Dynomax/289/1...SABEgKTrPD_BwE



Magnaflow, dynomax, almost everyone makes a muffler casing with a crossover built in. Don't know what your setup under the car looked like.

I want aware something like this even existed. If it's not too long I could make it work

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