Further update:

I had the resonator changed to a quieter type [Solo brand].
It helped to cut the noise down a fair bit,but I still get the boom.
I think I'm going to look into better mufflers.
The glasspack style mufflers aint making it.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

magnaflow is pretty loud too..

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Black 06 GP GT
S2 IC, 1.9 Rockers, TOG Headers w/ full custom exhaust, CAI, 104 Autolites, Custom Tuned PCM, 3.3....
And still Working its way up....

Not quite sure what you are looking for but dYnomax ultra flow is pretty good. The Dynomax Super Turbo is a quiet exhaust.

No kidding.

-- Sat Nov 05, 2011 5:01 pm --




Something fairly quiet with a little bit of a burble....really just a *hair* noisier than the stock exhaust.
I do appreciate the heads up.
I just wish I'd known before this whole debacle started.
I will get it sorted out though.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

A hair over stock would be. Dynomax Superturbo.

Any thoughts on this?:


http://www.dynomax.com/mufflers.php?muffler=vt

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

that is what i currently have on the lebaron. it is actualy louder thent he magnaflow i removed from it

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

i had those on my old gtp. didn't like them

i 'd suggest a nice glasspack where the res should be and straight pipes if you want loudness

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he wants quiet

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

Eeyup.
I'll be caling the local Solo rep' this week and see what he says.
Thye appear to have some good,quiet mufflers.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

http://www.youtube.com/watch?v=DGocIpe2ZBI

i think magnaflow sounds awesome and i dont think this is to loud

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04 gt- CAI // 180* tstat // 6000k hids // tinted reverse lights // tinted taillights // debadged // red led interior lights // Excel G struts // ssc springs //

http://solo-performance.com/stealth-muffler-series

-- Wed Nov 09, 2011 12:28 am --

http://solo-performance.com/stealth-muffler-series

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Sounds nice in the video,but in my car the thing BOOMS at part throttle.
It's like sitting in a car with a subwoofer playing one note at a good volume.
z3ro: thnks for those links,but I need a muffler that's 14" long.
Jeff from Solo said the Quatum 3 should be good without much drone and a bit of deep,soft bass note.
We'll see.
Maybe they'll design a new muffler for me.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

The new Solo mufflers are on [Quantum 3's].
I like them much better.
Deeper exhaust tone with a lot less boom.
I did find an interesting write up on the science of muffler design.

To find the fequency coming out the tailpipe,use this formula:


F= [ Engine RPM X the number of cylinders ] / 120


In our case it's just:

RPM / 20 .

Kind of cool.
Let's see if I can attach the original PDF:

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

^^^ where is the whole report?

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Jeeze.
Here's a link:

http://www.paraglidingteam.nl/PPGTechni ... 795969.pdf

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

I just found this .... wonder if it's the smae setup you have

http://www.clubgp.com/newforum/tm.asp?m ... =1&smode=1


Seems like a good price.

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Under Construction

I'm not sure.
It *might be* , but I think there's a difference between the systems for the two cars.
Ours is a sportier tone with smaller mufflers,IIRC.
That's where the fun begins.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

I have the dynomax super turbo and am extremely happy with this system. It is quiet at idle and cruise, and then when you lay into the throttle, its just mean as hell. Sounds like a small displacement v8 IMO.

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Fast.Loud.Shiny

MAGNAFLOW FTW!!!!!

^^^ he's looking for quite guys

anyways was pulled over the other day for my exhaust being too loud. on the highway. and the fhp told me he could hear it 1/4 mile away

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2007 Black on Black GP-Smoked Led tails,SPO spoiler and grills,tint,d+s rotors,autostart with alarm,Hai

I'll see if I can get one together in the next few days.

_________________
2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

I found some more interesting stuff for those that are interested:


http://www.popularhotrodding.com/engine ... index.html