
AEM IND V2 Cold Air Intake Sys
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Compared across 14 stores. Prices are checked against each store and labelled with when.

Compared across 14 stores. Prices are checked against each store and labelled with when.
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The AEM 21-878DS is a cold air intake system for the 2019-2023 Nissan Altima 2.5L (S, SV, SR, SL, Platinum). It replaces the factory airbox with a mandrel-bent aluminum tube, a heat shield with lid, and an oversized oil-free Dryflow synthetic filter. AEM dyno-tunes each application and backs the kit with a limited lifetime warranty. Compared with a basic short-ram or drop-in filter, it isolates the filter from engine heat and flows more air, but it is not a tune and gains are modest on a naturally aspirated four-cylinder.
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Out of stockSold by GearHouseAutoReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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Lowest price we've seen: $317.99 on Nov 13 at AEM Cold Air Intake Store. Tracked across 13 stores since Nov 13.
Owners of the Altima 2.5L report a modest but noticeable gain in throttle response and a deeper intake sound, and like that the Dryflow filter is reusable. Most criticism centers on the limited fitment and the fact that the power increase is small for the money.
This cold air intake system replaces the restrictive factory air intake housing so the engine can draw in more air. It is designed, tuned and dyno-tested to produce more horsepower and torque.
Air enters through an oversized AEM Dryflow synthetic washable air filter. The tapered, cylinder-shaped filter uses an oil-free synthetic media. It can go up to 100,000 miles before cleaning is needed, depending on driving conditions.
The intake tube is mandrel-bent aluminum with a durable silver powder coated finish. A custom-shaped heat shield with a lid is included.













