2000 Silverado- Removing cats

[coreystallings]

Predator part number-U7198
Predator revision-v.9r15
2000 Chevrolet Silverado
I am new to the whole programmer thing, I was wanting to get some info on removing the catalytic converters. Will I be able to keep the codes cleared if I do this? I was also wanting to know if I could save multiple tunes (like one for performance, one for gas mileage, and one for towing) on my programmer? Any help is MUCH appreciated.
Thanks,
Corey

[06MonteSS]

to disable the trouble codes for the CAT's, you'll need to get a custom tune made for you... since that emissions code-disabling functionality was removed due to EPA regulations...

all you'd need to do is post up copies of your original backup stock tune file, and a copy of the "last tune written" which would be the diablo tune you installed to the truck.

and yes, you can store up to 5 custom tunes in your predator...

[coreystallings]

Thanks for the reply Monte........ Can I email my stock tune to one of diablo's dealers that do custom tunes for them to write a custom tune for me for mileage and another for performance, or do I have to take my truck to their shop? If so, do you know a reasonable price I should be charged? THANKS

[jbaliles]

good plan on removing the cats man. i hollowed mine out on my 2000 silverado it made a huge difference and the exhaust tone i perfect now just a little rumble in the floorboards i love it. lew (06MonteSS) can get you a custom tune for a small fee he can tell you more about it but its way worth it!! and he'll remove the trouble codes for the 02 sensors too no problem i havent had any issues with mine and it runs like raped ape love it!

2000 silverado 5.3; Airaid cai, flowmaster duel exhaust, hollowed cats, diablo custom tuned

[coreystallings]

how did you go about hollowing the cats? Lew is doing my custom tune now. any help will be appreciated.

[Speeddemon]

Basically, you take a long pry bar and break up the material in the cats and dump it out. It's a way to fool people into thinking you have cats.