SikRedRX-8

Any of you guys hollowed out your cat or ran a test pipe, did it throw your CEL? I am going to run a test pipe and don't want that ugly ass orange light on all the time.

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450awhp TB Evo VIII, G35 DD

Tola

I don't have a hollowed cat or straight pipe, but it shouldn't trip a code. We do not have the extra O2 sensor after the cat.

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-94 VTEC
-98 M3

93si4ws

no catalyst here, no cel here either

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vern - 93 jdm 2.3vtec 4ws
please say a prayer for isai perez jR, my godson 9.28.02-3.16.03

for God so loved the world that He gave His only begotten Son,
that whosever believeth in Him should not perish,
but have everlasting life. John 3:16

SikRedRX-8

Thats what I like to here. Thanks.

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450awhp TB Evo VIII, G35 DD

Lude_conduct

Looks like you've got a '96 Lude (user name), which was OBD-II. Check to make sure you do/don't have the extra sensor after the cat. If you do have the sensor and want to use a test pipe, look for an O2 sim (simulator). I'm sure someone makes o2 sims for Hondas.. if you can't find any, hit me up and I'll do some research for ya.

SikRedRX-8

There wasn't any that I saw. It is a 94 motor with the ODB II to ODB I conversion harness. If you know anything else let me know thanks.

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450awhp TB Evo VIII, G35 DD

kevie88

You'll be fine then, as long as it's an OBD1 ECU you should be good! I don't throw any codes with my test pipe either.

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1993 Prelude S / H22A w/JDM LSD

http://www.hondaprelude.com/setups/s...y.asp?id=14039

Lude_conduct

That's right.. I didn't know you had an OBD-I conversion, so in that case, don't even worry 'bout it.