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Whats the best flowing stock outlet muffler?

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Old Jul 27, 2001 | 09:39 PM
  #1  
86 sports coupe's Avatar
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From: Noblesville In
Car: 86 sports coupe-83 berlinetta
Engine: 5.0 in the sports coupe-350 in the berlinetta
Transmission: 700r4 in the sports coupe-turbo-350 with a 2500 stal in the berlinetta
Whats the best flowing stock outlet muffler?

I want the stock dual outlet,but want the best performance.Does flowmaster only make
1 mufler with the stock outlets?What tail pipes will give it that stock look and where do i purchase them?

------------------
83 berlinetta currently 350/350 3:42 gear,2500 stal,3inch exhaust,2 1/4
exhaust manifolds,comp cam 268,performer intake
L69 dual snorkle aircleaner 3160lb
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Old Jul 28, 2001 | 07:44 PM
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From: USA
I also wanted the dual exit pipes. I was pleased to find that Dynomax makes a Race Series Ultra-flow "Welded" (what ever they call it)that has dual exits. Dual exits although one side is pretty straight through - see picture http://albums.photopoint.com/j/ViewP...909&p=45950157

I did a good bit of research on "dual exit" mufflers,, and I ended up with this one. The "replacement" Turbo Dynomax is reported to flow 365cfm while they claim over 960 cfm for this one for what that's worth. While they do not offer a kit for it,, they do offer seperate part numbers so you can make your own,, not bad really. Here's a picture and parts listing http://albums.photopoint.com/j/ViewP...p=45950156&f=0
The muffler part number is 17227 (Dynomax 3” inlet, dual opposite exit 2.5” tailpipes)

I did not even consider the single in dual out Flowmaster after seeing the inside of one. The actual muffler is only about 5" wide because a large portion of the back half is used for the "cross flow" tube. Their single in single out muffler is a MUCH better performance muffler.

[This message has been edited by BadSS (edited July 28, 2001).]
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Old Jul 28, 2001 | 09:32 PM
  #3  
86 sports coupe's Avatar
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From: Noblesville In
Car: 86 sports coupe-83 berlinetta
Engine: 5.0 in the sports coupe-350 in the berlinetta
Transmission: 700r4 in the sports coupe-turbo-350 with a 2500 stal in the berlinetta
Thinks badss. Thats the system im looking for. How does it sound? Also how do i do the smiley faces? thanks again!

------------------
83 berlinetta currently 350/350 3:42 gear,2500 stal,3inch exhaust,2 1/4
exhaust manifolds,comp cam 268,performer intake
L69 dual snorkle aircleaner 3160lb
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Old Jul 28, 2001 | 09:47 PM
  #4  
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From: USA
It has a glass pack sound,, a little crackly when you're reving it. Suprisingly the interior noise is not much louder than the Dynomax Turbo I replaced. However, it is loud when you hammer down,, which is OK. I've yet to take it back to the track,, but since the muffler leaned the car out,, and I had to increase the fuel pressure for it,, I'm sure I picked up a few ponies with the swap.
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Old Jul 29, 2001 | 02:35 PM
  #5  
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Edelbrock!!!!!!
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