|04-19-2004, 11:59 PM||#1|
Join Date: Apr 2004
California legal, Dyno tested mods?
Lots of questions. I searched the sticky CAI/Exhaust thread first.
What are your dyno numbers for your NA 2.5l with only CARB-approved mods?
Is it still true that there are no CARB approved headers? But any cat-back exhaust is legal? Does the CAI need to be CARB approved?
Any dyno comparisons between CAIs that use the stock airbox with stock filter vs K&N (or Green), vs CAI with cone filter?
Timeslips or meter-generated estimates, Palm/PC "dyno" numbers are fine too. Anything but "it felt faster" (louder can feel faster too).
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|04-20-2004, 01:43 AM||#2|
Join Date: Sep 2000
2013 Subaru BRZ
Like the Gen 2 Borla headers have a CARB aproved confirmation number somewhere. It should work for the other model borla headers as well. All cat-backs are legal unless they exede the volume levels. The Random Tech high-flow cats, the new ones, are also CARB legal (certified)
As far as I know, there arent any CARB aproved intakes. The Ganzflow style intakes wont do much to your emissions though.
However, all this being said, you can swap any bolt on mods like these back to stock before you have the car smoged. Its not hard or anything.
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