an interesting idea from Fabspeed.
They have a universal O2 bung c/w a mini CAT to fool the O2 sensor.
If i'm understanding this correctly it would let you run straight pipes or resonators and the mini CATs would look after the O2s
....anyone heard about these???
Quote:
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We've taken our O2 spacers a step further. The factory ECU compares the readings from a pair of oxygen sensors to measure the effectiveness of the catalysts. When a high-flow cat or catbypass pipe is used the exhaust gases reach the O2 sensor faster and uncleaned, leading to high chances to throw a CEL. Our O2 spacers retract the secondary oxygen sensors from the direct flow of gases, restoring the balance that the ECU requires when using aftermarket catalysts or catbypass pipes. The high quality built in catalysts scrub the exhaust to further reduce the chance of a CEL. Two fitting options and the two piece design allow for adjustment to get best possible fitment and results.
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http://www.fabspeed.com/universal-o2...ic-converters/