Injen 2020 BMW M340i SP Short Ram Air Intake System Polished Finish

Injen 2020 BMW M340i SP Short Ram Air Intake System Polished Finish

Marsoni

M251S

$199.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Injen 2020 BMW M340i SP Short Ram Air Intake System Polished FinishThe Injen Technology engineers spent abundant amounts of time designing, testing, and perfecting this performance Cold Air Intake system to develop some serious bolt on power. The soul of this Cold Air Intake system is with our smooth, mandrel bent, over sized 4. 00" O. D. T6 6061 aluminum tube that provides a smooth, uninterrupted path for highly efficient airflow and a look that will impress every time you open your hood! Not only that, but this

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So, one day I was getting an oil change at the dealership, and the associate told me that cabin filter was pretty dirty, which I believed because of the places I take the car, and she said that they could change it while they were finishing up the rest of their inspection, since they already had it apart. I asked her "How much?", and then we both had a laugh when she said "$90." I told her I'd take care of it. It took two days for Amazon to get a replacement filter to me, twenty minutes to watch a You Tube video showing how to replace the cabin filter on my car (I watched it twice), and then about twenty-five minutes to replace the filter itself--I keep a messy glove compartment, so a good portion of the time was loading and unloading that nightmare. In the end, under $15 for the filter, maybe 45 minutes to watch and replace, and the cabin filter hasn't been this good since I first bought the car. This replacement version was as good as the OE filter, fit exactly the same, there's no difference in airflow that I can tell, and so far (6 months later), it seems to be holding up pretty well. We'll see what it is like after a year. I did get the oil changed about a week ago, and the technician didn't raise any alarms about the filter, so everything seems to be working. $90 for a new filter? You can do it yourself cheaper.

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Reviewed in the United States on April 6, 2026

Verified Purchase

chad martin

Lake Worth, US

★★★★★ 4

Fresh Air Upgrade for My 2024 Impreza

Installed this in my 2024 Subaru Impreza, and it fit perfectly—no issues. The air smells noticeably cleaner now, and it took less than 10 minutes to swap out. The carbon and HEPA filtration does a great job clearing out odors, dust, and pollen—definitely an upgrade over the factory filter. The build feels sturdier than the OEM version, though it does have slightly fewer pleats. Might mean it needs replacing a bit sooner, but for the price and performance, I’m fine with that tradeoff. If you’re looking for a quick, affordable way to improve your cabin air, this one’s a solid pick.

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Reviewed in the United States on June 26, 2025

Verified Purchase

Gram21

Dallas, US

★★★★★ 5

Well built, good fit.

I like it so well, I just bought two more to keep on the shelf for when the price doubles. Seems better built than oem, but I don't know how you can judge the filtration; seems good though.

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Reviewed in the United States on May 6, 2026

Verified Purchase

Port Orchard, US

★★★★★ 5

Great product

Perfect fit for 21 Cross Trek

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Reviewed in the United States on February 12, 2026