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🏍️ Feel the roar, own the road with K&N Cold Air Intake!
The K&N Cold Air Intake System RK-3950 is a vehicle-specific, dyno-tested upgrade designed for select 2013-2015 Harley Davidson Softail models. Featuring a high-flow washable cotton air filter and custom heat shield, it boosts horsepower and torque by optimizing airflow while enhancing engine sound. Easy to install in about an hour, it improves daily driving and towing performance without voiding your factory warranty, backed by a lifetime limited warranty.
| ASIN | B06WLHPTKB |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #1,264,859 in Automotive ( See Top 100 in Automotive ) #1,252 in Automotive Replacement Air Intake Filters |
| Brand | K&N |
| Brand Name | K&N |
| Customer Reviews | 4.6 out of 5 stars 49 Reviews |
| Fit Type | Vehicle Specific Fit |
| Global Trade Identification Number | 00024844364647 |
| Included Components | Air Filter^Back Plate^Air Scoop^Air Scoop Base^Breather Bolt (2)^Literature Pack^Parts Kit |
| Item Highlight | Fits Select 2013-2015 HARLEY DAVIDSON: FLSTN Softail Deluxe/FLSTC Herritage Softail Classic (See Product Description) |
| Item Type Name | Intake System (Harley Davidson) |
| Item Weight | 4.7 pounds |
| Manufacturer | K&N Engineering |
| Manufacturer Part Number | RK-3950 |
| Manufacturer Warranty Description | 3 Months |
| Model Number | RK-3950 |
| Number of Items | 1 |
| OEM Equivalent Part Number | RK-3950 |
| OEM Part Number | RK-3950 |
| Product Grade | Performance Part |
| UPC | 024844364647 |
| Unit Count | 1 Count |
D**R
Perfect fitment better throttle response
Looks fantastic! Ordered this to replace a screamin eagle intake. At 5'8" the stock "football" cover really got in the way of my knee with forward controls, the k&n is still a little in the way but not nearly as bad. I immediately noticed a snappier throttle response and the ol butt dyno says it's got a little more power. Fitment on my 09 fxdb was flawless and installation was a breeze. The included instructions even have color photos, took 20-30 minutes to install with absolutely zero issues.
T**M
2008 FXDF Fat Bob
Easy install and looks great on 2008 Fat Bob. Changes sound a bit. Not noticing a difference in performance but bike does backfire less than before. Drag Pipes were already installed and I have yet to tune. At this point, running well and don’t see a need for tune. Overall good purchase, nice look and maybe a bit more power.
Ø**R
Great in every way
Delivery with Express, great job. Look is very suitable for my taste. Must do a Mapping for the Bike now. The only thing is, you need a bypass plug because my 2014 Twin Cam has a Connection. But no problem with the Bypass, 20 Euro.
T**D
Good quality
Fit on my 2011 Harley Softail Blackline, bolted right up with no problems and was an easy upgrade from stock.
X**H
Worth it
This actually worked ! Definitely I was surprised got it for looks,added boost to boot
J**N
Great buy
This air intake system is great and looks great sucking air. The only thing I don’t like is that about an 1/8” of the air intake manifold is covered up by the backer plate of the air intake mount. Other than that great product.
T**.
Perfect
Husband loved this. Easy to put on. Expensive but worth it.
J**S
Excellent alternative to a hyper charger
Wanted the hypercharger look without the problems of rattling butterfly valves and performance issues. This looks great. Not sure if I really gained horsepower but I really like the way it looks.
M**R
Great
Superb bit of kit. Looks great and sounds great on my Harley FatBob
M**S
It not in the way for your leg.
What a look if your engine is blacked out. Changes the sound a bit.
R**V
Not satisfied!!!
I did not ask for a replacement. I am not taking the part off my bike to return it. I simply wanted the missing piece. I do not expect to be charged for the new replacement.
Trustpilot
3 weeks ago
3 weeks ago