muffer replacing cat - Performance Forum

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muffer replacing cat
Sunday, May 20, 2007 4:07 PM
Replaced my exhaust with pacesetter header, 2.5 catless piping, to a 18 inch magnaflow muffler, and have now achieved the supreme rice sound! My question is, could I use a round body muffler in replace of the cat? Im having a hard time finding resonators, and heard glasspacks work, but temporarily. Any clues? I would like to have this exhaust as quiet as possible.

Re: muffer replacing cat
Sunday, May 20, 2007 4:12 PM
Try a Dynomax bullet race muffler...Its more like a resonator than a glasspack.



Re: muffer replacing cat
Sunday, May 20, 2007 4:29 PM
I was hoping to stick with magnaflow, but I will look into it. How big around can we fit in that section of the exhaust? And will this eliminate the raspiness?
Re: muffer replacing cat
Sunday, May 20, 2007 4:33 PM
Arent you throwing the CEL without the cat?


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Re: muffer replacing cat
Sunday, May 20, 2007 5:13 PM
putting a cat back on cooks the rice and makes it go away. also, a thrush glasspack will do you good. seriously, go put your cat back on.



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Re: muffer replacing cat
Sunday, May 20, 2007 5:58 PM
sscavalier wrote:I was hoping to stick with magnaflow, but I will look into it. How big around can we fit in that section of the exhaust? And will this eliminate the raspiness?

I have the biggest resonator Maganflow makes in a 2.5" inlet/outlet diameter. 22" body, 4" Round , 2.5" ID Satin Stainless Steel Resonator- It's brand new, I never installed it and my new project won't need it. $75.00 Shipped in the US.







Re: muffer replacing cat
Sunday, May 20, 2007 6:23 PM
The longest resonator I've found for youe 2.5" piping is the thrush glasspack.
They're like 28" long or something.

^^or like FstCav said, any of the magnaflow 4" round body 2.5" in/out mufflers work.
-M


Remember....syringes go in the RED waste basket.
Re: muffer replacing cat
Sunday, May 20, 2007 6:29 PM
It's a 22" body and 28" overall when you factor in the tube to weld pipe too. I'm assuming Thrush is the same way.







Re: muffer replacing cat
Thursday, May 24, 2007 8:14 AM
Ive got a 28 inch thrush glasspack but heard they only last a short while, thanks fast cav, I may be contacting you in the future. I was just wondering because on magnaflows website, it says the resonator part number...then I google the number, and it pulls up for just mufflers.
Re: muffer replacing cat
Sunday, May 27, 2007 1:07 AM
I'm going to be using a Dynomax 3" in/out bullet in place of the cat on my car.


2000 Z24 5spd header & catback for now.
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