BPB/BOV & CAI for 2021 Signature?
Senior Member
Joined: Oct 2018
Posts: 10,665
Likes: 233
From: Northern California
If you try to install a BOV on a newer Mazda you are either going to need to live with the Engine check light on all the time or get a ECU Calibration.
There are not true CAI for your Mazda but there are some kits that will replace the factory air intake filtering system. Keep in mind they will not give you any increase in power and may cause the IATs to be higher than normal.
I also like to hear the Tubocharge o my engines as well.
Contact them directly about application.
2017+ CX-5 Aftermarket Parts | CorkSport Mazda Performance
For ECU calabration:
VersaTuner
There are not true CAI for your Mazda but there are some kits that will replace the factory air intake filtering system. Keep in mind they will not give you any increase in power and may cause the IATs to be higher than normal.
I also like to hear the Tubocharge o my engines as well.
Contact them directly about application.
2017+ CX-5 Aftermarket Parts | CorkSport Mazda Performance
For ECU calabration:
VersaTuner
Thread Starter
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Junior Member
Joined: Sep 2019
Posts: 16
Likes: 0
From: PA
If you try to install a BOV on a newer Mazda you are either going to need to live with the Engine check light on all the time or get a ECU Calibration.
There are not true CAI for your Mazda but there are some kits that will replace the factory air intake filtering system. Keep in mind they will not give you any increase in power and may cause the IATs to be higher than normal.
I also like to hear the Tubocharge o my engines as well.
Contact them directly about application.
2017+ CX-5 Aftermarket Parts | CorkSport Mazda Performance
For ECU calabration:
VersaTuner
There are not true CAI for your Mazda but there are some kits that will replace the factory air intake filtering system. Keep in mind they will not give you any increase in power and may cause the IATs to be higher than normal.
I also like to hear the Tubocharge o my engines as well.
Contact them directly about application.
2017+ CX-5 Aftermarket Parts | CorkSport Mazda Performance
For ECU calabration:
VersaTuner
Senior Member
Joined: Oct 2018
Posts: 10,665
Likes: 233
From: Northern California
Consider and keep in mind what I said. Not sure what the summer ambientes are there in PA but low engine speed driving around town will cause much higher IAT's. In a Turbo engine the ECU will start to retard timing, and change fueling to cool the engine. Your engines power levels will go down. You will likely not be able to run anything except 91+ octane fuel to keep the engine safe. The knock sensor has limits as do the ECU to react and adjust to higher IATs.
These are things most don't consider, know or adjust for when using a aftermarket CAI/noise maker (not a true cold air intake).
The factory intake filer actually does a better job than currently any so-called CAI that is marketed for most all newer Skyactiv gasoline engine from Mazda.
I might add on the subject of CAI. Many think that these air intake filters & kits will lower their IATs. The mistake is the best they would be able to do is equal the ambient. And even some semi workable IATs cannot lower the IATs if the Throttle plate is less then 35% open to allow the flow of the air intake charge to "FLOW" through the engine. Air intake charge will heat in the intake manifold with low vehicle speeds and RPM.
These are things most don't consider, know or adjust for when using a aftermarket CAI/noise maker (not a true cold air intake).
The factory intake filer actually does a better job than currently any so-called CAI that is marketed for most all newer Skyactiv gasoline engine from Mazda.
I might add on the subject of CAI. Many think that these air intake filters & kits will lower their IATs. The mistake is the best they would be able to do is equal the ambient. And even some semi workable IATs cannot lower the IATs if the Throttle plate is less then 35% open to allow the flow of the air intake charge to "FLOW" through the engine. Air intake charge will heat in the intake manifold with low vehicle speeds and RPM.
Thread Starter
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Junior Member
Joined: Sep 2019
Posts: 16
Likes: 0
From: PA
Consider and keep in mind what I said. Not sure what the summer ambientes are there in PA but low engine speed driving around town will cause much higher IAT's. In a Turbo engine the ECU will start to retard timing, and change fueling to cool the engine. Your engines power levels will go down. You will likely not be able to run anything except 91+ octane fuel to keep the engine safe. The knock sensor has limits as do the ECU to react and adjust to higher IATs.
These are things most don't consider, know or adjust for when using a aftermarket CAI/noise maker (not a true cold air intake).
The factory intake filer actually does a better job than currently any so-called CAI that is marketed for most all newer Skyactiv gasoline engine from Mazda.
I might add on the subject of CAI. Many think that these air intake filters & kits will lower their IATs. The mistake is the best they would be able to do is equal the ambient. And even some semi workable IATs cannot lower the IATs if the Throttle plate is less then 35% open to allow the flow of the air intake charge to "FLOW" through the engine. Air intake charge will heat in the intake manifold with low vehicle speeds and RPM.
These are things most don't consider, know or adjust for when using a aftermarket CAI/noise maker (not a true cold air intake).
The factory intake filer actually does a better job than currently any so-called CAI that is marketed for most all newer Skyactiv gasoline engine from Mazda.
I might add on the subject of CAI. Many think that these air intake filters & kits will lower their IATs. The mistake is the best they would be able to do is equal the ambient. And even some semi workable IATs cannot lower the IATs if the Throttle plate is less then 35% open to allow the flow of the air intake charge to "FLOW" through the engine. Air intake charge will heat in the intake manifold with low vehicle speeds and RPM.
Senior Member
Joined: Oct 2018
Posts: 10,665
Likes: 233
From: Northern California
And I build True CAI as well Performance Turbochargers (big wheels and fully ported) for other platforms. Sorry nothing for any MAZDA 
\
The market is flooded with too many aftermarket products, mostly junk to even try to introduce anything that actually works.
\The market is flooded with too many aftermarket products, mostly junk to even try to introduce anything that actually works.
Last edited by Callisto; Nov 5, 2023 at 09:19 AM.
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