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-   -   cats (https://www.truckforums.com/forum/general-motors-tech-37/cats-6321/)

jml1022 Feb 25, 2008 10:00 AM

cats
 
IM ABOUT TO CUT THE CATS ON MY 2002 CHEVY SILVERADO AND PUT SUPER 44 FLOWMASTERS ON....IF SOMEONE HAS SOMETHING TO SAY TO TALK ME OUT OF IT PLEASE DO BECAUSE IM A LITTLE NERVOUS ABOUT IT RIGHT NOW ANYWAYS

HarderThanRocks Feb 25, 2008 08:34 PM

RE: cats
 
If you live somewhere other than CA then I say GO FOR IT! Definatly keep the mufflers though those 44's sound sweet.. Maybe think about an x pipe too..

llewis660 Sep 18, 2008 11:14 AM

RE: cats
 
after you cut the cats how did it run?

americanautomoving Sep 18, 2008 11:17 AM

RE: cats
 
Get rid of the cats. All they do is restrict your motor. The better it breathes, the better it'll run. Better MPG and more horsepower go hand in hand, so removing the cats will not only add horsepower and MPGs, but it will also sound wicked!

c.jenson Feb 10, 2009 11:05 PM

RE: cats
 
You'll probably have to drill a couple of holes in the pipes for your O2 sensors, since the cats are where they are located. If not, your check engine light will come on almost immediately.

ShredSLED Feb 13, 2009 01:20 PM

RE: cats
 
So, did you do it? How were the results?

were you aiming for true dual set-up??

Did your truck lose bottom end?

I'm not going for a true dual, but I am thinking of removing cats... Just wondering if this throws off the O2 sensor?


c.jenson Feb 14, 2009 10:16 PM

RE: cats
 
I've got the 'true' dual setup, but I wasn't ambitious enough to cut out the cats and drill holes. I know guys that are doing that with their trucks, and it makes a HUGE difference. Sounds pretty cool too.


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