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🏍️ Ignite your Harley’s soul with every breath!
The K&N Cold Air Intake System RK-3952 is a precision-engineered, dyno-tested upgrade for 2008-2017 Harley Davidson models that guarantees increased horsepower and torque. Featuring a high-flow, washable cotton air filter and custom heat shield, it optimizes airflow for improved acceleration, towing, and engine sound. Proudly made in the USA, it installs easily in under 60 minutes and comes with a lifetime limited warranty without voiding your factory coverage.
| ASIN | B07BHB1W8M |
| Best Sellers Rank | #143,664 in Automotive ( See Top 100 in Automotive ) #494 in Powersports Air Filters |
| Brand Name | K&N |
| Customer Reviews | 4.7 4.7 out of 5 stars (213) |
| Fit Type | Vehicle Specific Fit |
| Global Trade Identification Number | 00024844367013, 02484436701300 |
| Included Components | 1 Air Filter |
| Item Dimensions L x W x H | 12"L x 9.5"W x 3.75"H |
| Item Type Name | Intake System (Harley Davidson) |
| Item Weight | 3.88 Pounds |
| Manufacturer | K&N Engineering |
| Manufacturer Part Number | RK-3952 |
| Manufacturer Warranty Description | 3 Months |
| Model Number | RK-3952 |
| OEM Equivalent Part Number | 77-2557KP |
| Product Grade | Performance Part |
| Shape | Oval |
| UPC | 024844367013 |
| Unit Count | 1.0 Count |
H**R
Worth Every Dime
I replaced an Arlene Ness Big Sucker with this K&N and it was worth every dime. Way more air flow and a significantly noticeable increase in power. Instructions were a little vague but it wasn't that hard to figure out. Looks good and it gives the desired effect.
P**S
Great breather for my Harley Roadglide
Ive tried a few different breathers on my 2015 Harley Road glide and when this was on sale i had to try it. Install was straight forward with clear included instructions. Parts are quality made and thought went into engineering this to fit perfect. Fit touring Harleys really well. This is my favorite to date. Included pictures. Kit comes with a K&N decal and a emission decal/ tag if needed for your state Inspection. Highly recommended.
B**N
Inexpensive
Yes, easy to install, looks fabulous. Great value for the price.. But,,,,, you will have "splash" on pipes, front of bags and, side covers. Bought in October 2020. Changing out to a new type K&N (63_1134). Will see if this one helps on fuel economy. When filled, 231 till empty, refueling at 150. Yes, I do get on the throttle stage 4 with Reinhardt headers.
D**G
Happy with the look and performance
I had this installed on my 2013 Ultra Limited along with true dual exhaust and a tuner. I can hear my bike breathe now. I’d recommend this KN air intake.
T**M
Performance
A noticeable power difference! On my Ultra Classic definitely money well spent !
L**T
K and N filter assembly
Was reluctant to change screaming eagle assembly but this filter met all expectations. I put bike on dyno and I gained 8.5 horsepower. That's a phenomenal gain! Very impressed!
C**R
K & N products never let me down
perfect fit, looks and performs great!!
G**S
Feels solid
Looks good, feels solid, half the price of others, need to get it installed and bike tuned but excited for the future
J**.
Perfecto para Softail Deluxe '17 Intrucciones claras sobre como instalar, tener en cuenta que al modificar sobre un filtro stock, puede necesitar remapeo la moto Tambien recomiendo buscar el rain sock de la marca filter wears, ya que el que recomienda amazon para esta publicacion le quedo corto
S**Y
Fit comme un charme.
A**R
Great product fast shipping
O**.
Se ve increíble en la. Moto
B**M
Increased my harley ultra classics horsepower gices it a little.rumble what more can i say great work K&N .very easy install
TrustPilot
2 周前
1 个月前