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California legal headers/exhaust for maximum HP gains?

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Old 01-17-18, 11:46 PM   #1
Lawzndr
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Default California legal headers/exhaust for maximum HP gains?

Hello people, this is my first time and post here. Recently my father purchased a 2017 GS F after months of deciding between that or a Nissan GT-R. The past two weeks, he has been bugging me on what mods he should get to increase the performance on the car as he really wants to push the engine to the 500+ HP mark at the crank or at least 400+ HP at the wheels. I've been looking at aftermarket headers and exhaust from a variety of companies online for awhile and have been getting no luck when it comes to emission testings for the state of California or being CARB compliant. I am also not very knowledgeable about the the catalytic converters on this car or where are they placed, is it placed on the headers or the exhaust system? If you guys know any system that comply with California emissions, I would greatly appreciate your inputs.

Thank you.
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Old 01-18-18, 01:54 AM   #2
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There are none, and likely will never be any. CARB certification is extremely expensive and there are not enough buyers in California to make it worthwhile.
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Old 01-18-18, 08:27 AM   #3
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Nitrous...
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Old 01-18-18, 07:29 PM   #4
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Nitrous...
Sadly, that too is not CARB legal. But at least with a sneaky install, you might pass smog with it.
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Old 01-19-18, 02:12 PM   #5
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No wonder there are parts of California (mainly the rural communities) that want to split off and form a 51st state called New California because of the taxes and regulations
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Old 01-19-18, 08:45 PM   #6
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Quote:
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No wonder there are parts of California (mainly the rural communities) that want to split off and form a 51st state called New California because of the taxes and regulations
This is why I am SO appreciative on living in WA State, no laws that will curtail the minor engine tweaks I have
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Old 01-20-18, 11:31 PM   #7
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What about a supercharger?
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Old 01-21-18, 12:17 AM   #8
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What about a supercharger?
CARB legal? Not even a slight chance. We couldn't get a simple single turbo approved for the Supra and there were plenty of them in California (I was one of them at the time) who would have jumped for a single turbo setup.

CARB approval is a money game. A LOT of money game.

When I was in the Air Force, we had a saying - Disapproved; resubmit for further disapproval. CARB operates under that mindset unless you bring in wheelbarrows full of cash.
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Old 01-21-18, 08:02 AM   #9
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I understand that CARB experts need only a single professional accomplishment: a BS in social justice.
Engineering? Not so much.
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Old 01-21-18, 08:03 AM   #10
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I wasn't suggesting it was legal, but it's the easiest mod to remove for testing.
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Old 01-22-18, 12:39 PM   #11
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None of them are carb legal. Contact us and we'll assist you with passing smog though.

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