Has anyone used the Oxygen Sensor Adapter Catalytic Exhaust Spacer Bung instead of the cats? Anything negative about it? Has it passed the emissions test?
Thank you.
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2000 Boxster S (986)
De-snorkeled withK&N Cold Air intake
Short Shifter 14mm spacers F&B
Secondary Cat delete
Top Speed Test pipes and Exhaust
Linear Mode
