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Old 08-21-2004, 01:29 AM   #1
Scooby Newbie
Member#: 10240
Join Date: Sep 2001
2005 Impreza WRX STI

Default [B]Check Engine Light question regarding uppipe/downpipe[/B]

I have an 02 WRX and I'm considering getting the Perrin or HKS upipe for my car. Does the CEL become an issue only when the downpipe with the two cats is replaced or when the uppipe with the single cat is replaced? I just want to know in advance whether or not I am going to have any issues with the CEL from just replacing the uppipe with the catless Perrin or HKS one. Any info would be much appreciated, thanks.
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Moshpit552 is offline   Reply With Quote
Old 08-21-2004, 01:44 AM   #2
Scooby Specialist
Member#: 33410
Join Date: Feb 2003
Chapter/Region: Tri-State
Location: wishing i was somewhere else
08 wrx


dude don't x-post.
MikeWRX-NJ is offline   Reply With Quote
Old 08-21-2004, 02:36 AM   #3
Scooby Newbie
Member#: 5254
Join Date: Mar 2001
Location: Santa Clarita, CA
01 WRX


u will get cel if you replace your uppipe with a catless one. you will get another cel if you remove the 3rd cat as well.
hope this help
pico is offline   Reply With Quote

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