K&N RK-3954B Street Metal Intake Hammer Black Finish
K&N RK-3954B Street Metal Intake Hammer Black Finish
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K&N RK-3954B Street Metal Intake Hammer Black Finish
K&N’s Street Metal Intake Systems are designed to boost performance and add a custom look to your Harley-Davidson® motorcycle. Replace the stock intake assembly with a custom-built intake system designed to increase horsepower and torque.
- Oversized K&N High-Flow Air Filter™ for improved performance, filtration, and service intervals
- Aluminum backing plate with integrated velocity stack for a solid mounting surface
- Built-in breather
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

