Removing Catalitic Converter/Resonator

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Syclone7114

New member
I am getting the exhaust redone on the Sy tomorrow and was going to have them remove the Cat's and such tomorrow. There are no downsides to this correct?
 
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Syclone7114

New member
Re: Removing Catalitic Converter/Resonator

I was also going to have turndowns before the rear axle, i have always like that style and it saves weight as well.
 
gjp

gjp

another post whore
Re: Removing Catalitic Converter/Resonator

Chance of overboosting Unless you have a boost controler
 
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Sy769

Donating Member
Re: Removing Catalitic Converter/Resonator

With stock wastegate and ecm boost control you will have overboost issues
 
1BADSUV

1BADSUV

New member
Re: Removing Catalitic Converter/Resonator

My Ty did not have a cat on it when I purchased it, but it had all the basic mods, Ultimate, 3 bar, Walbro FP, ATR FPR, and I never have overboost issues. FYI
 
mrweelr

mrweelr

New member
Re: Removing Catalitic Converter/Resonator

And noxious exhaust that will make your eyes water. I'd get an electric dump instead if you can afford it.
 
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Syclone7114

New member
Re: Removing Catalitic Converter/Resonator

If i just have turndowns right after the mufflers? will that cause any problems? The original owner had the exhaust rerouted so 2 pipes come out the back (one on each side) and had turbomax mufflers installed. I dont really like the sound of them and cant stand the look of the exaust exiting out of the rear on both sides. I was going to remove the Turbomax mufflers and have them install flowmaster 40 series with turndowns. If i left everything the same from the mufflers forward will i still have the overboost problem?
 
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Syclone7114

New member
Re: Removing Catalitic Converter/Resonator

mrweelr said:
And noxious exhaust that will make your eyes water. I'd get an electric dump instead if you can afford it.
Click to expand...

heh.. the exaust smell really doesnt bother me. I had turn downs on my grand national and loved it!
 
bezerk

bezerk

New member
Re: Removing Catalitic Converter/Resonator

i have a Sy with an openexhaust, and no cat, i don't have overboost issues, but i know 80% will have that problem
 
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