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Performance gain from gutted cats?

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Old Mar 14, 2003 | 08:40 AM
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WJ SOM SS's Avatar
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Default Performance gain from gutted cats?

Anyone see a performance gain running gutted cats w/stock exh. manifolds and a stock or aftermarket Y-pipe on a '01-'02 F body? (Using 02 simms, of course.) Thanks. WJ. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
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Old Mar 14, 2003 | 02:23 PM
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Default Re: Performance gain from gutted cats?

ttt. Thanks. WJ. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
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Old Mar 14, 2003 | 10:52 PM
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Default Re: Performance gain from gutted cats?

well I went from trapping 109 to 113 just from gutting cats and tuning with MAFT and all I did was at Base I richened it up a bit
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Old Mar 15, 2003 | 10:39 AM
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Default Re: Performance gain from gutted cats?

Zippy: What yr. is your car? Thanks for the reply. WJ. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" /> Anyone else comment on this? <img border="0" alt="[burn out]" title="" src="graemlins/gr_burnout.gif" />
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Old Mar 15, 2003 | 11:22 AM
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Default Re: Performance gain from gutted cats?

its a 2000 car. I had to have gained a little bit, but it made my car a good bit louder. it only cost me 40 bucks for used O2 simms
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Old Mar 16, 2003 | 12:07 AM
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Default Re: Performance gain from gutted cats?

i just put in orps in place of my cats and picked up tq about 15 on the dyno it picked up in the mid range
and the car is a little louder
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