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05-04-2012
im not mentally retarted and realize i need my catalytic convertor. i just got my speed daddy header setup and the section (that should be my cat) they sent a straight pipe. i am guessing they give you this section to get by. how long till i have issues with just running the straight insert as opposed to the cat?
05-04-2012
you dont need a cat unless you have emissions testing in your state, if you have a 97-00 then you can put an O2 sim on your downstream o2 and have no problems if you have a 01+ then you need a tune
05-04-2012
my emission testing just involves the obd2 test, this is not going to kick off a check engine light?
05-04-2012
too easy, 45$
05-04-2012
It'll throw a light but it can be tuned out.
05-04-2012
OP what year is your car?
05-05-2012
97 gtp, just got done pulling my old setup off. took about 3 1/2 hrs. wasn't hard at all, would have gone faster if i wasn't overly cautious with the bolts.
05-05-2012
whats up with the front manifolds on these things.....mine is cracked in 5 places
05-05-2012
because its a cast part.
yay gm.
05-05-2012
what is the downfall of not wrapping the crossover, aside from hotter intake air?
05-05-2012
To me its not worth it to wrap headers on these cars, they heat soak fast and the blower heats the air up anyway.
So, i'd just leave it.
05-05-2012
and roger
05-05-2012
you can out an O2 sim in place of the rear O2 and run it with no cat it will not trow a code
Easy Performance - O2 Emulator #EP-O2SM-GM01
05-07-2012
O2 sim or have it tuned out, or put a cheap high flow in place.
05-07-2012
even the high flow cats can set a light, it did for me when i had a 3" dp. i had no problems passing the obd test with the o2 sim and i have no problems now with it tuned out.
04 Impala SS Indy:
05-07-2012
He's a 97 though. They were extremely lenient in 97.
05-07-2012
lucky bastard
04 Impala SS Indy:
05-07-2012
Yup... 97 was a sweet year for a few things.
05-07-2012
but a disappointing thing for others 99 was the best year! (of that body style)
05-07-2012
Yay me!! 97 ftw!Originally Posted by BillBoost37
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