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Old 04-02-2013, 12:46 AM   #2389
sw20kosh
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Quote:
Originally Posted by AVOturboworld View Post
I cannot really speak in regards to emissions checks, because it varies so much from state to state, and country to country.

But in terms of a visual check, a technician will probably have an easier time seeing that the secondary cat on this car has been removed (the frontpipe) than the primary cat in the header, as the header resides above the engine undertray, and is quite difficult to see in comparison to the secondary, which is easy to see from underneath. That is one of the prime reasons we left it in place for the stage 1 tuning.
I can look straight down from on top of my engine bay and see the O2 sensor and part of the gigantic primary cat...

He is going to notice no?
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