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Enhance your vehicle's performance with the K&N Engineering Part Number KN58-1191 custom velocity stack assembly. Featuring an all stainless steel top and base with a mirror finish, this assembly provides durability and a sleek appearance. The velocity stack has a 5-1/8 inch flange, designed to optimize airflow and improve engine efficiency. The total height of the assembly is approximately 10 inches, making it suitable for various automotive applications. The open 360-degree free-breathing 9-inch Filtercharger air filter element atop the stainless steel velocity stack ensures maximum airflow and filtration efficiency. This design allows unrestricted air intake, contributing to better throttle response and horsepower gains. The assembly's stainless steel construction resists corrosion and maintains its aesthetic appeal over time, even in harsh environments. Ideal for automotive enthusiasts seeking to upgrade their intake systems, this complete assembly combines durability, style, and performance in a compact package. Proper installation ensures optimal airflow and engine performance, making it a valuable addition to your vehicle's intake system.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
