I have deleted the secondary cats without a problem to the O2 sensor on my car, and I believe your as well, has all O2 sendors on the headers before and after the primary cat.
The bypass pipes are cool, neat sound and maybe a little more power.
James
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2002 S
Pedro rear stabilizer bar, CF strut braces, Maxspeed headers with 100 cell cats, Fabspeed cat bypass pipes, H&R springs with M030 setup, TRG rear links, EVO air intake, B&M Short shift kit, Raby IMS upgrade, Raby underdrive pulley
Last edited by jhandy; 05-14-2007 at 12:56 PM.
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