Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
Enhance your Hummer H2's performance with the K&N Engineering High Flow Performance Cold Air Intake Kit, designed specifically for models from 2003 to 2009. This system features a mandrel-bent aluminum intake tube that ensures smooth airflow, maximizing horsepower and torque gains. The included oversized, conical High-Flow Air Filter uses oiled cotton media, offering exceptional filtration and allowing up to 100,000 miles of service under normal highway conditions without the need for filter replacement. Its washable design makes maintenance simple and cost-effective. A custom heat shield or air box is integrated into the system to shield intake air from engine bay heat, helping to maintain optimal air density for better engine performance. Installation is straightforward and can typically be completed in less than 90 minutes, making it an accessible upgrade for enthusiasts and DIY mechanics alike.
Features:
Fitment:
2003 Hummer H2 Base
2004 Hummer H2 Base
2005 Hummer H2 Base
2006 Hummer H2 Base
2007 Hummer H2 Base
2008 Hummer H2 Base
2009 Hummer H2 Base
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).
