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Old 05-22-2002, 05:41 PM   #1
Dusty Wagon
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Default uppipe legal in PGT?

What are legal enigine mods, for the WRX, in PGT? Yes, I read the rules. Just trying to decipher them now.
ANy PGT Rex owners out there?

TIA
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Old 05-22-2002, 07:19 PM   #2
WagonMonster
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I'd highly doubt it considering that an up-pipe (I'm assuming you're talking catless) isn't even street legal.

But you may be ok in Open Class
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Old 05-22-2002, 07:28 PM   #3
Patrick L
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it's street legal. The precat is only there for cool start ups. Once the car warms up. There is no need for the precat. The 2 cats behind the turbo can do the work.

SubieGal should be able to tell you if it's illegal in PGT. Probably not cause the car has to be mainly stock, other than a K&N Filter and a cat back exhaust.

Pat
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Old 05-22-2002, 07:48 PM   #4
Dusty Wagon
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Quote:
Originally posted by Top_Dog
...other than a K&N Filter ...

Pat
SCCA rules "...origonal air filter (OEM specifications) and air fillter housing may not be modified."
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Old 05-22-2002, 08:34 PM   #5
WagonMonster
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Yeah

A K&N is definitely NOT legal for Production Class. And in California, removing ANY of the cats is illegal.
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Old 05-22-2002, 09:27 PM   #6
Subie Gal
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you have to have a CAT. per the rules...

it can be a non model specific hi flo...

but you have to retain a cat..... also...

for exhaust work...
it's "free" from the manifolds back....

so nothing manifolds forward may be touched...

basically, exhaust work is unlimited

have fun...
Jamie
www.subiegalracing.com
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Old 05-23-2002, 10:49 AM   #7
ChrisW
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Jamie,

does that mean that you have to maintain the same number of CATS? I guess that is the question of the day..

Judging by what you said, you have to retain a CAT (read a single CAT on the exhaust)

second question...

Where does the manifold end in the WRX under PGT rules? Does it end at the up-pipe or the turbo?
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Old 05-23-2002, 12:58 PM   #8
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You do not have to retain three cats just one which can be high flow, the mnifold ends at the up pipe so the up pipe is replaceable, basiaclly you only need one cat that is usually a high flow racing cat placed in the down pipe. Tha t should answer your question.
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Old 05-23-2002, 03:36 PM   #9
Dusty Wagon
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So far, sounds like uppipe, down pipe, and exhaust in general is free as long as there is a functioning cat and the exhaust exits behind the driver and external to the body...

Any confirmation?
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Old 05-24-2002, 01:16 AM   #10
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Yes this is confirmed read the above post, "exhaust is free from the manifold back" scca rule book.
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