Removing all cats?

different kind of motor, 2 cycle, 4 stroke whatever, believe whatever you want, go ahead and make your stock slow marauder sound all mean and nasty. and then e a d.
 
RubberCtyRauder said:
different kind of motor, 2 cycle, 4 stroke whatever, believe whatever you want, go ahead and make your stock slow marauder sound all mean and nasty. and then e a d.
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you say you want to eat a di ck? Well, that's your prerogative there pal...have fun

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sorry if you dont understand physics, displacement and how 281 cubic inches in a mod motor with the long exhaust of a marauder effects the sound. and you must have mis-read e a d, there was no I involved. bhave a good time with your exhaust. options have been given, how you choose to use them is up to you.
 
RubberCtyRauder said:
sorry if you dont understand physics, displacement and how 281 cubic inches in a mod motor with the long exhaust of a marauder effects the sound. and you must have mis-read e a d, there was no I involved. bhave a good time with your exhaust. options have been given, how you choose to use them is up to you.
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Oh duhr, I big dummay, I no physics

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Truth. I've ran open headers and it sounds pathetic compared to even a Chevy 350!

Displacement, plain and simple.


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Things got a little off topic.
I was just curious if anyone had taken off all their cats, and if so if it cause any gremlins besides a check engine light.

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justbob said:
Does your tune allow any CELs to light up?


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Good question. I'll have to look into that. When Lidio tuned my car I know he turned off the rear O2s, so it stands to reason that he changed what throws a code for the front.
 
The front or upstream oxygen sensors sniff the exhaust and determine if the air fuel ratio is within spec. The second set behind the cats or downstream oxygen sensors monitor if the cats are doing their job. My tune deleted the rears but the front remain unchanged. They have nothing to do with what comes after them.
 
Bad_S55 said:
Good question. I'll have to look into that. When Lidio tuned my car I know he turned off the rear O2s, so it stands to reason that he changed what throws a code for the front.
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Just asking because I had issues once with an old old tune loaded. I put the stock one back in and immediately it thru something like NINE codes... Now with the addition of bolt ons I had expected a hand full but even the misfire monitor was somehow turned off.




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what are "aero" mufflers? Must be a regional thing?
I had flowmaster super 10's installed on it, loudest muffler they produce.

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dustybo83 said:
what are "aero" mufflers? Must be a regional thing?
I had flowmaster super 10's installed on it, loudest muffler they produce.

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It may be THEIR loudest muffler but it's not the loudest muffler.

This is a Aero Turbine muffler
https://www.youtube.com/watch?v=iDTTOa77efs


You can remove all four cats and have whatever muffler or no muffler at all, it will be loud BUT there is louder. I've had several different exhaust setups on my car since I've owned it, flowmasters with stock pipe, no muffler side pipes, flowmasters with rear cats removed, aero turbine mufflers with rear cats removed and now stock manifolds with 2.5" mandrel bent stainless from manifolds to tips and aero turbine mufflers. Each change increased the sound a good bit. Flowmasters super 10 is a chambered muffler, the aero turbine is a straight through design, that in itself allows for better cfm flow.

I had always had Flowmaster mufflers on prior vehicles but never again after getting the aeros.
https://www.youtube.com/watch?v=6n7yGOuIGos
 
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