CARB approved turbo upgrade?

[Stubek]

So I need to replace/repair my wastegate before February when I need a smog check to get rid of a CEL. I figure as long as I am that deep, I might as well just replace the turbo, but why replace with stock, I should at something with a little more performance. I know I can drive most aftermarket turbos with stock tunes for a day to get my smog check, so not too worried about the tune aspect of it.

If there aren’t turbos that are upgrades that are CARB approved, how close do they look at the turbo when they do the visual?

I’m not looking to do a big monster or anything, just adding a little more to it.

[JLAllroad]

So I need to replace/repair my wastegate before February when I need a smog check to get rid of a CEL. I figure as long as I am that deep, I might as well just replace the turbo, but why replace with stock, I should at something with a little more performance. I know I can drive most aftermarket turbos with stock tunes for a day to get my smog check, so not too worried about the tune aspect of it.

If there aren’t turbos that are upgrades that are CARB approved, how close do they look at the turbo when they do the visual?

I’m not looking to do a big monster or anything, just adding a little more to it.

A couple options, I’m guessing you are running a stg2 tune currently and will need to revert back to the stock catalyst, either permanently or temporarily.

Easiest, cheapest-tweak the wastegate actuator bracket 3-5mm towards the front of the car, this adds enough preload (in most cases) to eliminate the intermittent underboost codes P0299. Install stock catalyst, flash to stock for testing, or flash to APR stg1 as its emissions compliant.

Get a CTS KO4 (1070R)visually these and other hybrids mount and look stock, install stock catalyst at the same time, flash APR KO4 file, if you’re already an APR customer this is just an upgrade fee. This is an emissions legal set up, sell the HFC to offset costs.


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[Stubek]

Thanks. I was stage2+ from right after I got the car new until its first smog check. Since then I've just been stage 1 (old APR file before it was CARB approved). I already did the bracket bend for the wastegate, worked for about 2 weeks. Still have some slop in the arm. I only have about 85k miles on the car and I plan to keep it another 5 years or so.

[bb-tt]

All the hybrids look stock hell even my EFR looks stock if you dont know what you are looking at. cheap route ebay k04, cheap /reliable route ebay turbo and throw a mellet crha in it, or spend extra money on one of the many options offered by the various tuning co's out there that are made in the same factory as the ebay turbo. what i would not consider an option is throwing another k03 (ihi j5) on it the k04 makes a world of differnce.