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Chevy/GMC Trucks \  weird ratting noise from catalytic convertor i think

weird ratting noise from catalytic convertor i think

Chevy/GMC Trucks Make Specific
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replies 22
following 13
 
CFL99SDIME   +1y
would it be bad if i ran it punched for a month or two because i cant really afford a new cat right now and i cant stand the noise
98dakota20   +1y
i dont know what the laws are where you live, but in california you have to have them.
shideburns   +1y
magnaflow cats are only like $60 bucks on ebay.
mtm   +1y
are you sure its not a heat shield?
shideburns   +1y
$55.57 with free shipping.
i put in 2.25 cat and this was the 2nd result.
im just going to assume most sizes are the same price i dont know how big s-10's are.
http://cgi.ebay.com/ebaymotors/2-25-Magnaflow-Carsound-Catalytic-Cat-Converter_W0QQcmdZViewItemQQcategoryZ33629QQhashZitem130048186579QQihZ003QQitemZ130048186579QQrdZ1
CFL99SDIME   +1y
ya but my cat it bolt up not weld on
and its like 200 bucks
CFL99SDIME   +1y
there isnt really emissions in florida
flathead   +1y
break as much of it loose as you can and with the cat loose from the muffler,still connected to the header start it up and rev thew shit out of it it will blow all or most of the shit out
jsondrops   +1y
GM EXTENDED THEIR WARRANTY ON 2.2 S10S
10 YEAR 100,000 MILES.
THE FLEX PIPES ARE COVERED TOO
CFL99SDIME   +1y
i just went to a local muffler shop and had the guys weld in a magnaflow hi flow cat
it got rid of all the noises and i can notice a little power gain
maybe its just the fact ive been driving on a shitty cat blocking my exhaust for a while
they guys said its a common problem with the s10s/hombres/nomas after 100000
i have 136,xxx so that extended warranty wouldnt do me much good
i passed that mark up a good while ago