K&N Cold Air Intake - High-flow, Roto-mold Tube - BMW 2-3-4 SERIES N20 ENGIN 2012-2016

K&N Cold Air Intake - High-flow, Roto-mold Tube - BMW 2-3-4 SERIES N20 ENGIN 2012-2016

Marsoni

M251S

$220.00

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

K&N Cold Air Intake - High-flow, Roto-mold Tube - BMW 2-3-4 SERIES N20 ENGIN 2012-2016Increases horsepower Designed to improve torque and acceleration Replaces entire factory air box and air filter system Washable and reusable lifetime air filter Easy to install, usually in 60 minutes or less K&N No Hassle Lifetime Limited Warranty Estimated Horsepower Gain 8. 5 HP @ 5200 RPM Replacement Filter RF 5289 Air Filter Color Red Air Filter Material Cotton Gauze Air Filter Outlet Shape Round Clamps Included No Clamps Required Clamp Material

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I bought this to fit a full size 4" memory foam mattress topper. I gotta say it took 3 of us. 1 to lay on the memory foam and 2 of us to get it shoved in and keep pulling the bag up. But it actually fit! My arm was dying using the hand pump so we used a vacuum. It worked better than the hand pump. Due to what I was storing it did not shrink very flat, but compared to the size of the memory foam it shrunk a lot and will definitely save space! The bags arrived today so I dont know how well it holds up long term but the bag was very sturdy yanking it up around the foam. Didn't tear or stretch. And it actually fit!

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Reviewed in the United States on May 26, 2026