2015-2023 F-150 K&N Series 77 High Flow Performance Cold Air Intake Review & Install

Efficiency and Economy. Give your EcoBoost a boost in acceleration, towing, and throttle response with the K&N Series 77 High Flow Performance Cold Air Intake. This cold air intake assembly also comes with an oiled filter. It’s designed for trucks and SUVs to deliver maximum power and performance from your vehicle.

Highly-Durable and Eco-Friendly. This cold air intake assembly’s tube is made of lightweight aluminum. It’s durable and free-flowing and has been mandrel-bent for added strength. Its black gunmetal gray finish adds aesthetic value to your underhood. This cold air intake comes with an oiled filter in red cotton gauze. It offers superior airflow and outstanding filtration, and this filter being washable and reusable makes this an economical and environment-friendly upgrade.

Installation. Putting this Cold Air Intake with Filter on your ride is easy and requires no drilling.

Warranty. There is a limited 10-year/1-million-mile warranty for this product.

Intro - 0:04
Features - 0:28
Construction - 1:15
Price - 1:51
Install Difficulty - 2:20
Full Install - 2:46

Item T576049-35
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[NorthwestGuitarworks]

Ok for anyone watching this, couple things to mention that weren’t.

#1. If you have a raptor, cord location is different.

#2. That grey clip you lift at beginning is INCREDIBLY fragile. Heads up would be good

#3. It’s ok to swear a little this guy makes it look easier than it is. It’s not hard but it’s not as easy as the video shows where everything comes together perfectly

Good luck

[danielfournier]

Do you need to unplug the battery before to start?

[BushWookie]

So he took out the turbo defusers. I was wondering about that. The only reason they are in there on the factory setup is because both turbos feed off of one inlet. They limit the turbulence of the air going into the turbos because they are reverse fed. Dual intake tubes, no need for defusers

[joshuaenyart]

Will this work for the same year expedition?

[jameshausser]

Installed mine on my 2017 ecoboost and at high revs (2500-3000rpm) and it shuts the turbos down completely until I cycle the engine. Any fixes?

[nickpitts]

I've been having issues with the series 77 on my 2023 Tremor EcoBoost. There seems to be an odd whistle sound, almost like a dog whimpering, when backing off the accelerator at highway speeds. Its coming from the filter area. I've uninstalled and reinstalled a few times, I can't seem to figure out how to fix it. Other than that, it sounds great. Anyone else have this issue?

[elclavo]

Just ordered mine off Amazon. BEWARE Raptor owners that K&Ns quality control is garbage. The IAT extension doesnt fit the sensor. Also ordered the catch can which had a manufacturing defect. Take my work and just get another brand.

[jeffreylopez]

Hi, I installed that kit and now I have the check engine light with the Code: PO4DB do you have any solution for this code ?