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BRZ Second-Gen (2022+) -- General Topics General topics for the second-gen BRZ


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Old 07-22-2022, 04:04 PM   #141
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Originally Posted by ROFL it's Waffle View Post
What does the owners manual say about the charcoal filter? Is this considered a forever item, or "change regularly"?
It's a permanent part of the airbox on my daughter's '08 ES350.
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Old 07-22-2022, 04:34 PM   #142
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What does the owners manual say about the charcoal filter? Is this considered a forever item, or "change regularly"?
No mention of it in the GR86's Owners Manual or Maintenance Interval booklet(Pages 37-40).

I guess they have 100% confidence that the regular air filter will do its job & that every single owner will be diligent with their maintenance
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Old 07-22-2022, 04:47 PM   #143
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Has anyone compared the USDM and JDM tunes to make sure this isn't just skewing AFR?

I know with AMGs this is a common mod, but the US tunes is different than the (what they call ROW; Rest Of the World). Doing this mod, and keeping the fuel trims where they should be requires a tune.

I would assume if these same parts when removed from the BRZ have an impact on airflow, they are also having an impact on the tune, or at least the trims. Would also be interesting to see a back-to-back test done (on the BRZ) after Short AND Long Term Fuel trims have finished learning. With the AMGs, they would often loose a bit after some time, without an accompanying tune.

Food for thought.
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Old 07-22-2022, 05:41 PM   #144
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Originally Posted by KillerBMotorsport View Post
Has anyone compared the USDM and JDM tunes to make sure this isn't just skewing AFR?

I know with AMGs this is a common mod, but the US tunes is different than the (what they call ROW; Rest Of the World). Doing this mod, and keeping the fuel trims where they should be requires a tune.

I would assume if these same parts when removed from the BRZ have an impact on airflow, they are also having an impact on the tune, or at least the trims. Would also be interesting to see a back-to-back test done (on the BRZ) after Short AND Long Term Fuel trims have finished learning. With the AMGs, they would often loose a bit after some time, without an accompanying tune.

Food for thought.
Iíve always wondered this about b2b dyno testing with new parts.. You test the new part before fuel trims have had a chance to adjust, which means the engine runs slightly lean on the dyno and inflates the actual gains. Would love to see how the AFR looks in these dyno comparisons.
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Old 07-22-2022, 08:15 PM   #145
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Not one person has said or even implied that.
Lies.
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Old 07-23-2022, 08:23 AM   #146
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I still have mineÖ. I believeÖ forgot to toss it so if @Tcoat allows it<3Ö.
I will post pictures of contents.

If itís not required then perhaps itís some Subaru green-earth-virtue move? Just speculating based off of the emails I get now.
Just send to him so he can double up.
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Old 07-23-2022, 06:48 PM   #147
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Just send to him so he can double up.
FTW
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Old 07-26-2022, 10:14 AM   #148
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Lies.
In this thread.
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Old 07-26-2022, 10:36 AM   #149
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Hey guys, I just took out my cabin filter and dyno'd my car. It made roughly 6hp more without the filter! If you want a free and easy mod, take out your cabin filter. Hashtag 1Gen Master Race.
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Old 07-26-2022, 10:46 AM   #150
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Just send to him so he can double up.
Oh I should just put the whole new intake in my 2020. Should be good for at least a 20HP increase even with the charcoal one there!
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Old 07-26-2022, 11:46 AM   #151
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Oh I should just put the whole new intake in my 2020. Should be good for at least a 20HP increase even with the charcoal one there!
Show your work.
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Old 07-26-2022, 12:35 PM   #152
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Show your work.
Saw it in the internet.
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Old 07-29-2022, 01:49 PM   #153
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Really interesting food for thought.
Indeed, which is the reason I didn't run out to immediately do this mod. I will eventually, probably at the same time I put on my catless JDM UELs and tune the car.
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Old 07-29-2022, 01:54 PM   #154
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Indeed, which is the reason I didn't run out to immediately do this mod. I will eventually, probably at the same time I put on my catless JDM UELs and tune the car.


You got the low quality bait.
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