OEM: The Most Reliable Cold Air Intake Part 4
(Heresay or Heresy? Never Believe The Forums)
So this is gonna go back on again. Why? That's for you to find out later. In the meantime, here's my take on the OEM...intake.
There's nothing really wrong with the current OEM 2019/RA intake. It's engineered to be kreliable and perform its best at stock power levels. Having to experience the airbox well past its limit, because it truly is, I would say the internet is bullshit about it being good for power "up to 400". When I say 400, there is no clear and/or concise answer on the interwebs and forums as to whether it's whp or hp because 400whp is quite a lot on an EJ for the airbox.
It is indeed a bottleneck. I'm currently on the stock RA airbox paired up with a K&N drop-in filter, a Tomei turbo inlet, Perrin Afta Afta MAF, and the Cobb 20G turbo. It made low 300whp figures for longevity, and even at this point, it absolutely chokes. No surprise, even if modded on the VF turbo or upgraded. But for the sake of testing, I've done this to let you, my fellow enthusiasts, know that all this gossip about max hp figures of "400hp" on the stock airbox can be put to rest.
Throttle response is lessened. Yes I know the difference between throttle response and boost threshold. And I know what lag is, which isn't the main issue here. Driveability is great, but there is a need to put my foot down harder to get going even at cruise levels. With an upgraded intake filter, the response will unquestionably be improved.
Temps are another thing. Because of the ABS plastic used and exposed MAF sensor, heat soak is a killer. I've explained as to why speed density isn't my main fix; but based on my findings, my robust Kydex intake box can shield heat better than any other airbox on the market, also by covering Cobb's injection molded plastic MAF with HPS 45° 4-ply silicone hose, the MAF sensor can certainly receive consistent readings for the ECU to determine proper fueling.
So what now? Like I said, you'll find out later.😁 Discussions are welcome.
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