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I bought them an ‘04 996 GT3. Sold the car before I got to use them.
A few yrs back, I got “cat not ready” when I took the car for its bi-annual smog test. Landed up replacing a cat and oxy sensor to get it to pass. Then found out the using the extender might have helped. In the past, CA test results showed the actual emission numbers, the average and car’s actual. Now test only indicates “pass” or “fail”.
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Sergio
The GT Lid Whisperer
PCA 42yrs - National DE Instructor / Ex-RGruppe #197
'19 718 Cayman S (9th Porsche/1st with PDK)
'14 Subaru Forester XT (Porsche support vehicle)
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