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Item #:
14613346
K&N Cold Air Intake Kit: High Performance, to Increase Horsepower: Fits 2001-2017 HARLEY DAVIDSON Street Bob, Fat Bob, Low Rider, Wide Glide,
Item #:
14613346
GBP 248
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Imported from USA store
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This premium cold air intake system is dyno tested to provide a guaranteed increase in horsepower.
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What Stands Out
Enhanced Horsepower
Boost your Harley's performance with increased horsepower, delivering an exhilarating ride without compromising efficiency. Perfect for those wanting to elevate their motorcycle's capabilities.
Easy Installation
Designed for a straightforward installation process, this kit allows riders to enhance their bike’s performance with minimal effort, making it accessible for DIY enthusiasts.
Durable Construction
Crafted with high-quality materials, this cold air intake kit ensures long-lasting durability and reliability, providing exceptional value for riders who demand performance and longevity.
Product Details
- Guaranteed increase in horsepower with up to 50% more airflow than factory air filter
- Improves acceleration and uphill performance when towing
- Enhances engine sound
- Provides world-class engine protection by filtering harmful contaminants
- No filter cleaning required for up to 100,000 miles
- Quick and easy bolt-on installation process, no ECU tune required
| Brand | K&N |
| OEM Part Number | 57-1125P |
| Global Trade Identification Number | 00024844363688 |
| Manufacturer | K&N Engineering |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 024844363688 |
| Model | 57-1125P |
| Item Weight | 2.89 pounds (1.31 kg) |
| Product Dimensions (L x W x H) | 11.73 x 9.49 x 4.88 inches (29.8 x 24.1 x 12.4 cm) |
| Item model number | 57-1125P |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 57-1125P |
| Date First Available | October 6, 2016 |
Who Should Buy?
-
Performance Enthusiasts
Ideal for riders seeking enhanced engine performance and improved horsepower for their Harley Davidson models.
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Custom Bike Builders
Perfect for those customizing their Harleys, providing a stylish and functional upgrade to the air intake system.
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Long-Distance Riders
Great for long-distance riders wanting better throttle response and fuel efficiency during extended journeys.
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Stock Riders
Not suitable for riders who prefer keeping their bikes in original factory condition without modifications.
Product Description
K&N Cold Air Intake Kit: High Performance, to Increase Horsepower: Fits 2001-2017 HARLEY DAVIDSON Street Bob, Fat Bob, Low Rider, Wide Glide, Switchback, other select models57-1125P
About This Item
Upgrade the performance of your HARLEY DAVIDSON Street Bob with the K&N Cold Air Intake Kit. This high-performance kit is designed to increase horsepower and torque, giving you a thrilling ride every time you hit the road. Engineered with outstanding durability and sleek aesthetics, the K&N Cold Air Intake Kit is available in various finishes and powder coatings to suit your style. The state-of-the-art High-Flow Air Filter™ provides superior protection against contaminants, ensuring that your engine stays clean and efficient. The meticulously engineered aerodynamic tube design of the K&N Cold Air Intake Kit guarantees an increase in both horsepower and torque.
Experience improved acceleration, towing, and throttle response, and take your riding experience to the next level. Not only does the K&N Cold Air Intake Kit deliver impressive performance, but installation and maintenance are a breeze. With air filter cleaning required only every 100,000 miles, you can spend more time enjoying the open road and less time in the garage. This K&N Cold Air Intake Kit is specifically designed to fit 2001-2017 HARLEY DAVIDSON Street Bob, Fat Bob, Low Rider, Wide Glide, Switchback, and select other models. Ensure a perfect fit and optimized performance for your bike. Don't miss out on the chance to upgrade your HARLEY DAVIDSON Street Bob's performance with the K&N Cold Air Intake Kit.
Experience the power and thrill that you've been craving. Order yours now and start riding with confidence.
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Customer Questions & Answers
-
Question:
How long does the installation take?
Answer: Installation takes about 60 minutes. -
Question:
Is this intake system legal in all states?
Answer: Yes, it is legal for use in all 50 states. -
Question:
Will this intake system void my factory warranty?
Answer: No, it will not void your factory warranty. -
Question:
Will it fit a 2001 HD Sportster 1200?
Answer: The K&N 57-1125P Air Intake is not recommended for the 2001 HARLEY DAVIDSON XLH1200 Sportster. -
Question:
Does it need a rain sock or can it get wet while riding?
Answer: It is recommended to use the K&N Drycharger RC-3680DK in the rain when using the High Performance K&N Cold Air Intake Kit 57-1125P. -
Question:
Do you need a tuner to run the new intake?
Answer: No, it's not necessary, but it may provide a slight performance upgrade. The intake itself already provides a performance upgrade. -
Question:
The picture shows 57-1125P (black) however the K&N website lists 57-1125P as being chrome & the 57-1125 being black. Seller, which one is this one?
Answer: The listing is for the K&N 57-1125P Performance Intake Kit, which features a polished aluminum tube.
K&N Ram Air Kit 57-1125P Editorial Review
The K&N Cold Air Intake Kit for select Harley Davidson models appears to be a mixed bag based on customer experiences and feedback. Many users have reported that the installation process is generally straightforward for those with some automotive knowledge and the right tools. While the kit comes with necessary components, including gaskets and O-rings, some customers encountered challenges with specific hardware, such as the angled pipe's inner bolt, which required careful handling to avoid scratching the chrome finish. Performance-wise, users have noted an improvement in engine sound and horsepower, particularly when combined with a tuner. This enhancement contributes to the deeper growling noise that many motorcycle enthusiasts appreciate. However, there are significant concerns regarding the quality of the materials used in production. Complaints about paint finishes, rust, and misaligned components have been pronounced, leading to disappointment among those who expected a higher standard given the price point of around $280. The aesthetic appeal of the product has also been criticized, particularly the appearance of the right-angle tube, which some found unappealing and poorly finished. Despite the drawbacks, customer service from K&N appears to address some issues, as customers reported that their concerns were acknowledged, and replacements were provided when necessary. Overall, while the K&N Cold Air Intake Kit can improve performance, customers should weigh the potential quality issues against its performance benefits. **
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Pros
- Improved engine sound and performance when paired with a tuner
- Generally easy installation for those with some mechanical experience
- Includes essential components like gaskets and hardware
Cons
- Some components difficult to install or misaligned
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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GBP 248
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
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Features & Benefits
- Designed and manufactured in the USA by K&N with over 50 years of expertise.
- Dyno tested for a guaranteed horsepower boost.
- Features a high flow intake tube and custom heat shield for optimal airflow.
- Replaces restrictive OEM air box enhancing driving experience for daily use or towing.
- Easy installation in about 60 minutes, backed by a No-Hassle Lifetime Limited Warranty.
- Legal for use in all 50 states, ensuring compatibility and reliability.
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