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revenant
08-08-2006, 04:00 PM
Since I drive a 91 do they only do a visual inspection of the exhaust? I was thinking about getting rid of my cat when I have my exhaust done and wasn't sure if it would come back to haunt me at inspection time.

SexyDSM95
08-08-2006, 05:00 PM
Since I drive a 91 do they only do a visual inspection of the exhaust? I was thinking about getting rid of my cat when I have my exhaust done and wasn't sure if it would come back to haunt me at inspection time.Depends where you go. Places should do a visual test for a cat bust often times that doesn't happen.

The only difference is they don't plug into your diagnostic port since you are OBD I. (Pre 95)

specVogel
08-08-2006, 05:01 PM
on pre 96 cars or cars without obd2 systems you recieve a dyno test or a two speed idle test. i would not recomend removing the cat because your car would have to pass a sniffer test where a probe is placed in the tailpipe and measures the amount of harmfull emissions. a car without a cat will fail this test almost everytime. you could try and get a high-flow cat installed instead which increases your chance of passing.

revenant
08-08-2006, 05:28 PM
ok, thanks for the input! My dad took my other car for inspection to a friend of his last year while I was away at school. The guy has a pretty small shop and I was under the impression he wasn't too picky so mabye he would let me slide on this.

wgknestrick
08-08-2006, 05:55 PM
on pre 96 cars or cars without obd2 systems you recieve a dyno test or a two speed idle test. i would not recomend removing the cat because your car would have to pass a sniffer test where a probe is placed in the tailpipe and measures the amount of harmfull emissions. a car without a cat will fail this test almost everytime. you could try and get a high-flow cat installed instead which increases your chance of passing.

:confused:

I've never had any of my non obd2 cars put on a dyno or sniffed. Remember emissions are county specific in PA

bastid
08-08-2006, 06:33 PM
From what I understand, Berks County does not do a visual inspection. Get an O2 sim and you should be fine catless.

revenant
08-08-2006, 06:33 PM
:confused:

I've never had any of my non obd2 cars put on a dyno or sniffed. Remember emissions are county specific in PA


I had no idea emissions were county specific. I had a 3" cat-back with a 4" magnaflow muffler on my talon and my dad said the guy didn't even look under the car when he took it there. He did ask to take it for a test drive though,lol.

revenant
08-08-2006, 06:35 PM
From what I understand, Berks County does not do a visual inspection. Get an O2 sim and you should be fine catless.

does the O2 sim just trick the car into keeping the check engine light off?

bastid
08-08-2006, 06:40 PM
does the O2 sim just trick the car into keeping the check engine light off?

I'm running cats currently, so I can't answer that question as I'm unfamiliar with how it works exactly. Something to that effect though, I'm sure.

sisforsurfing
08-08-2006, 06:54 PM
does the O2 sim just trick the car into keeping the check engine light off?
Yes. Which is great for OBDII cars since unless they do a visual, that's all they need. I dont know whether or not you'll need to pass the sniffer though, I've never had to deal with that. Best of luck!

revenant
08-08-2006, 08:13 PM
where would I get an O2 sim? or is it something you can rig up yourself?

SexyDSM95
08-08-2006, 11:36 PM
Pfft how about you stay under 5,000 miles each year and be emissions exempt. I do it...and the GSX is my DD!

blu4door
08-09-2006, 11:39 PM
Pfft how about you stay under 5,000 miles each year and be emissions exempt. I do it...and the GSX is my DD!

I miss the mark by about 1K miles. 6K/year in my DD.

Spoolin92vr4
08-10-2006, 06:46 AM
Since I drive a 91 do they only do a visual inspection of the exhaust? I was thinking about getting rid of my cat when I have my exhaust done and wasn't sure if it would come back to haunt me at inspection time.

what you could do is get a test pipe install it then when inspection time comes around u just swap out the test pipe for the cat then send it in for insp. then swap it back when u are all done

CDEEE5
09-10-2006, 03:35 PM
Pfft how about you stay under 5,000 miles each year and be emissions exempt. I do it...and the GSX is my DD!
seriously this can be done in PA? how?? i wont pass.

SexyDSM95
09-10-2006, 04:34 PM
seriously this can be done in PA? how?? i wont pass.Read my quote again...any vehicle that drives less then 5000 miles a year is exempt from emissions in the state of PA.