guy wouldnt smog my car becuase of intake

synolimit

Makes no sense they use a k&n filter.

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13 370z-

DEpointfive0

What? What does that have anything to do with anything?
So does the AEM...

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synolimit

Changing fuel trims can be affected by the filter element. If they all use K&N they should all be legal or illegal. If they didn't pay for the testing then fine, but why k&n wouldn't makes no sense.

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13 370z-

DEpointfive0

... You don't know how it works in CA. Every design needs to get CARB approved. Doesn't have a god damn thing to do with the type or brand or design of filter. It's intake system as a whole. K&N is just popular because it's popular.

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Waiz

Doesn't matter, Stillen took the time to get CARB approval for their product configuration and K&N didn't

Just because it is using one of the parts it doesn't automatically mean it's also under the same umbrella