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The RED 4 inch (102 mm) Inlet Truck Air Cone Replacement is a high-performance, washable, and reusable dry air filter designed to increase horsepower and throttle response. Featuring a durable dual-layer mesh and a universal clamp-on fit, it offers easy installation without extra parts. Perfect for truck enthusiasts seeking an affordable upgrade that combines efficiency, durability, and a bold red aesthetic.




| ASIN | B07DS7RS1V |
| Best Sellers Rank | #44,147 in Automotive ( See Top 100 in Automotive ) #741 in Automotive Replacement Air Filters |
| Brand Name | Rtunes Racing |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,346) |
| Fit Type | Universal Fit |
| Item Dimensions L x W x H | 6"L x 6"W x 9"H |
| Manufacturer | Rtunes Racing |
| Manufacturer Part Number | AFL4R |
| Model Number | AFL4R |
| OEM Equivalent Part Number | AFL4R |
| Product Grade | Replacement Part |
| Shape | Conical |
| UPC | 615213973272 |
| Unit Count | 1.0 Count |
N**A
RED Air Intake Filter Review
This filter worked very well for what I needed and is a great value for the money. I had no issues with the build quality and it worked for over a year until I replaced it. The filter is easy to install and has consistently good airflow to the engine. Highly recommended for an entry level intake that is affordable!
R**K
good price and product
fit well and looks good.
D**G
Clamped right on to replace the K&N filter that was there before.
This replaced a K&N filter, a perfect fit, and saved me a bundle of money. I bought a 2002 F-150 with the K&N air intake and the filter appeared to have been there so long it was literally imploding. While weighing up whether to buy the K&N brand replacement filter for $90+ or go back to the OEM intake, I found this filter as a temporary replacement due to the condition of the old one. The truck is running fine with this filter and going forward, I may just use this one at this price as I can't justify the expense of the K&N. To each their own but I'm happy with this product.
K**L
Accurate fit & description, great price, time will tell how it holds up
I put a rough country cold air intake on my 2019 ram 1500 (5th gen) hemi w/ etorque a few years back, they dont offer a replacement filter and it was way past due replacement. this one was a half inch or so longer but fit great as the air box from rough country is oversized. Compared to the OEM filter that came from rough country, this one is maybe slightly lower quality. The glue on the metal top was a little sloppy, and some of the threads around the filter were sticking out but not a big deal. For the price, fit and function seems great, i will definitely buy it again in 30k miles if it holds up! This is a truck..... if I had a CAI on a performance car i would probably buy something higher quality.
J**D
An alternative approach to dust control
I used this filter on an HVAC booster fan in my woodshop to collect dust from the air. Works well and is washable - much better than traditional cheap air vent filters.
A**Z
Good quality
I have use this for more than 3 years and I haven’t have any problems, there good quality
R**H
Air cleaner
This filter seems to look OK we’ll see how it works. Going on a show pick up.
J**Z
Fits perfectly
Great replacement filter for the price definitely worth it
M**R
Perfect fit!! I mean you do have to wiggle it on a bit to get it on just right but nothing strenuous. And I believe it should NOT go on especially easy. Or it wouldn’t get that right seal. I’m a girl!! And I did it in 5 minutes. Yay!! Ordered 2 more to have on hand.
R**L
works great, much safer than an oiled filter,
A**Y
Its perfect I'm just waiting for my rest of the parts. Good price fast shipping can't wait to try it out
G**R
The 3.5" slides right over the factory elbow on the Z31. The POS hose clamp will break immediately though, bring your own. Overall excellent value for a big cone like this.
E**.
Perfect fit for my cold air intake. I recommend these filters.
Trustpilot
1 month ago
1 month ago