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Old 03-01-2009, 06:36 PM   #1
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I've been researching this for nearly two years. If you want no drone whatsoever, you have to do a complete exhaust system swap with a matched system of headers, high flow cats and muffler.

I cannot remember the name of the company who produces it, but there is a system out there that has no drone and is $4000.00.

Evidently a nice and loud and resonance free exhaust doesn't come cheap.

But that modded muffler will give you more sound without any drone.
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Old 03-01-2009, 09:44 PM   #2
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Quote:
Originally Posted by RandallNeighbour
I've been researching this for nearly two years. If you want no drone whatsoever, you have to do a complete exhaust system swap with a matched system of headers, high flow cats and muffler.

I cannot remember the name of the company who produces it, but there is a system out there that has no drone and is $4000.00.

Evidently a nice and loud and resonance free exhaust doesn't come cheap.

But that modded muffler will give you more sound without any drone.
Thanks. I like the idea of these ebay mufflers since I don't want to modify my own, would be handy when it comes to resale of the car.
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Old 03-02-2009, 06:22 AM   #3
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I installed a Dansk "sausage" muffler and had some drone at about 2.8K RPM, but after I later installed headers (retaining the second set of stock cats), the drone disappeared. I guess there must be something about the difference in resonance between the muffler and headers that canceled each other out. Not really sure, and don't really care - all I know is that I don't have the problem now.
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Old 03-02-2009, 06:41 AM   #4
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Drone definitely has something to do with the weight of the muffler and its ability to resonate noise.

More weight = less drone.

Just look at how heavy the stock & PSE mufflers are.

On the other hand, a straight pipe is the lightest and has maximum drone.

Last edited by ekam; 03-02-2009 at 06:43 AM.
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Old 03-02-2009, 12:47 PM   #5
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Quote:
Originally Posted by panameras
Thanks. I like the idea of these ebay mufflers since I don't want to modify my own, would be handy when it comes to resale of the car.

I also have had the Pedro muffler mod done to my car. If you are concerned about resale buy a used muffler off of ebay, print out Pedro's instructions and take it to a muffler shop, that's what I did. IIRC I was charged $125 for the labor and it took them about 3 hrs. Of course, I am in the city of Chicago and there are small muffler shops on every corner.

But, even with a little higher labor charge and a used stock muffler and you will still be well under what they are charging on ebay. When you sell your car, switch back to your original muffler and sell the modified one on ebay for probably close to what you paid in total. It's a win/win.
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