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thelrgkid · 08-26-2009, 02:12 AM

So whats the deal with the cats on the s13. ive heard people smog with a test pipe and they say they passed with flying colors. and when i checked my factory cat, it was empty. is that how it comes from the factory? do you need one to smog??

NINJASPY · 08-26-2009, 06:35 AM

factory cat is by the downpipe area, stock exhaust manifold is 2 piece, the "test pipe" replaces a resonator and not the cat.

its header=cat/downpipe=resonator=mid pipe=muffler

projectRDM · 08-26-2009, 06:56 AM

Quote:

Originally Posted by NINJASPY

factory cat is by the downpipe area, stock exhaust manifold is 2 piece, the "test pipe" replaces a resonator and not the cat.

its header=cat/downpipe=resonator=mid pipe=muffler

Only on an S14. He didn't ask about an S14. Pay attention to the topic or don't post.

thelrgkid · 08-26-2009, 04:07 PM

Quote:

Originally Posted by projectRDM

Only on an S14. He didn't ask about an S14. Pay attention to the topic or don't post.

haha, thanks

blackrms13 · 08-26-2009, 10:20 PM

Quote:

Originally Posted by thelrgkid

So whats the deal with the cats on the s13. ive heard people smog with a test pipe and they say they passed with flying colors. and when i checked my factory cat, it was empty. is that how it comes from the factory? do you need one to smog??

if u know the ppl of course u can pass with "flying colors" lol

theres a cat after the downpipe, "OEM" ones shouldnt be empty inside...most likely someone before you emptied it out

thelrgkid · 08-27-2009, 08:45 PM

Quote:

Originally Posted by blackrms13

if u know the ppl of course u can pass with "flying colors" lol

theres a cat after the downpipe, "OEM" ones shouldnt be empty inside...most likely someone before you emptied it out

cool, thanks

08-26-2009, 02:12 AM	#1
thelrgkid Zilvia Member Join Date: Aug 2009 Location: Sacramento CA Age: 31 Posts: 207 Trader Rating: (2) Feedback Score: 2 reviews	Catalitic Converters So whats the deal with the cats on the s13. ive heard people smog with a test pipe and they say they passed with flying colors. and when i checked my factory cat, it was empty. is that how it comes from the factory? do you need one to smog??

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08-26-2009, 06:35 AM	#2
NINJASPY Zilvia FREAK! Join Date: Oct 2007 Location: So-cal Los Angeles 626 Age: 40 Posts: 1,009 Trader Rating: (13) Feedback Score: 13 reviews	factory cat is by the downpipe area, stock exhaust manifold is 2 piece, the "test pipe" replaces a resonator and not the cat. its header=cat/downpipe=resonator=mid pipe=muffler