Quote:
Originally Posted by jimmythemufflers
Ill have to climb back under the car and check. Do you bypass the cats on the headers or the ones right behind the mufflers? The only after market headers ive found all have no cats, but a hole for an o2 sensor.
I only meantion the drone as an informational tid bit in case anybody is interested in the same muffler. I barely notice it.
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The cats on the headers have the O2 sensors. You are getting rid of the secondary cats which do not have sensors. Here is a link to Top Speed's cat bypass pipes:
Porsche 986 Boxster 2.7L & 3.2L Including Boxster S 2000-2004 50mm Bolt-on Cats Test Pipes
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2001 Boxster S Lapis Blue
TS Cat Bypass Pipes and exhaust
iPad Mini Dash Install
DEPO Tail Lights
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2001 Boxster S
Threaded Mode
