cats
#1
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cats
I'm looking at an '87 gxl I want to buy. The owner says it's completely stock and the exhaust looks stock, but there is only one cat. I thought all NA's came with three cats? Did '87 gxl's only come with one?
#2
I wish I was driving!
Re: cats
Originally posted by TKE
I'm looking at an '87 gxl I want to buy. The owner says it's completely stock and the exhaust looks stock, but there is only one cat. I thought all NA's came with three cats? Did '87 gxl's only come with one?
I'm looking at an '87 gxl I want to buy. The owner says it's completely stock and the exhaust looks stock, but there is only one cat. I thought all NA's came with three cats? Did '87 gxl's only come with one?
#6
Lava Surfer
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cold emissions? oh and if i got a bonez dual high flow cat setup what would i do about them precat things? im trying to stay california legal and all...at least for a couple years anyway :P
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#10
I wish I was driving!
The two precats operate only under start-up, to remove cold-engine emissions. They do not function much during operating temp, and removing them will not affect normal running emissions. Since there is no way to test cold emissions, there is no worry.
You will pass emissions with a bonez set-up, however, keep in mind that you may fail visual if you do not have all three cats in place.
You will pass emissions with a bonez set-up, however, keep in mind that you may fail visual if you do not have all three cats in place.
#14
Former Moderator. RIP Icemark.
Originally posted by bingoboy
so if i want a higher performance exhaust, but i still have to worry about passing emmissions, whats my best option?
so if i want a higher performance exhaust, but i still have to worry about passing emmissions, whats my best option?
http://www.rx7.com/cgi-local/2catalo...cat=4&part=100
or this:
http://www.rx7.com/cgi-local/2catalo...cat=4&part=110
Last edited by Icemark; 09-18-02 at 12:32 AM.
#16
Former Moderator. RIP Icemark.
Both will pass CA emissons, however if you go someplace that really knows RX-7s and the FC in particular you may not pass the visual on a series 4 NA car. But to the average smog shop, you will not have any problems passing.
The dual cat is also CARB legal in CA on series 5 cars.
The dual cat is also CARB legal in CA on series 5 cars.
#17
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why is it legal on s5 and not s4? i have an s5 but im curious none the less. and do you live in CA icemark? if so what do you run cats/muffler/piping.
and are there laws that govern muffler stuff for CA? ive been here 3 years but havent done any car modifications or actually had a car here till recently.
thanks
and are there laws that govern muffler stuff for CA? ive been here 3 years but havent done any car modifications or actually had a car here till recently.
thanks
Last edited by bingoboy; 09-18-02 at 01:07 AM.
#18
Former Moderator. RIP Icemark.
Originally posted by bingoboy
why is it legal on s5 and not s4? i have an s5 but im curious none the less. and do you live in CA icemark? if so what do you run cats/muffler/piping.
and are there laws that govern muffler stuff for CA? ive been here 3 years but havent done any car modifications or actually had a car here till recently.
thanks
why is it legal on s5 and not s4? i have an s5 but im curious none the less. and do you live in CA icemark? if so what do you run cats/muffler/piping.
and are there laws that govern muffler stuff for CA? ive been here 3 years but havent done any car modifications or actually had a car here till recently.
thanks
Yes I live in CA. I use a custom down pipe and Bonz turbo cat and the stock cat back (because I haven't been working and don't have the funds saved up for a new exhaust yet). I will probably go with either the RB or Corksport, eventually. Since I have a 'vert noise is a bigger issue than on a Coupe.
#21
Former Moderator. RIP Icemark.
Originally posted by bingoboy
do you like the bonez cat and do you think it made much difference?
do you like the bonez cat and do you think it made much difference?
And as many on this board know I am a firm (and often outspoken) believer in meeting the emisson requirements in CA (or the area you are in) while still having decent HP. Responsible performance I call it, so unlike Silverrotor and others, I am against ripping out all the cats or other emisson controls on a street car so that my car stinks and pollutes the area for a couple of extra HP. That meager extra little bit of performace is just not worth it in my eyes. If you need to take polluting short cuts on a street car to win or whatever, you got the worng car IHMO. Buy something that has the HP you need without ******* up the emissons system.
#23
Former Moderator. RIP Icemark.
Originally posted by rx-7fc
can you use the dual cat on a s4 and pass in ca or it is only CARB legal on a s5
can you use the dual cat on a s4 and pass in ca or it is only CARB legal on a s5
Both will pass CA emissons, however if you go someplace that really knows RX-7s and the FC in particular you may not pass the visual on a series 4 NA car. But to the average smog shop, you will not have any problems passing.
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