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Discussion Starter · #1 ·
Need the answer BEFORE TOMORROW!

Last day I had brand new High-Flow cats (2) hooked up to my car (5.7l v8 350). They only hooked up 1 airtube to one cat because the other airtube was broken off from the car and they claim the second airtube was not needed (trying to pass aircare).

I have read in multiple places that without the second airtube hooked up that I would likely fail aircare (emissions here in BC) because that cat is not burning the excess fuel like it should.

Is this true?
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