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Upgrade your vehicle's airflow with the K&N 57-3036 performance cold air intake kit designed specifically for 2004-2005 GMC Envoy and Chevrolet Trailblazer models. Constructed from high-density polyethylene (HDPE), this rotationally-molded tube increases the volume of air delivered to your engine, resulting in measurable gains in horsepower and torque. The system's oversized, conical design ensures optimal airflow, while the included washable, reusable High-Flow Air Filter with oiled cotton media maintains performance for up to 100,000 miles under normal highway conditions. This feature reduces maintenance frequency and enhances engine efficiency, making it a practical upgrade for daily drivers or performance enthusiasts alike. The system includes a custom heat shield that protects intake air from the high temperatures of your engine bay, helping to keep intake charges cooler and denser for improved combustion. Installation is straightforward, typically taking less than 90 minutes, and the kit is engineered to fit seamlessly into your vehicle*s existing intake system, ensuring a secure and reliable connection. The K&N Performance Intake Kit is compliant with EPA standards and carries the CARB EO number D-269-31, making it legal for use in most areas. Backed by K&N*s No-Hassle Lifetime Limited Warranty, this intake system delivers long-term reliability and performance, providing an excellent balance of power enhancement and ease of installation for your vehicle.
Features:
Fitment:
2002 Chevrolet Trailblazer LS
2002 Chevrolet Trailblazer LT
2002 Chevrolet Trailblazer LTZ
2002 Chevrolet Trailblazer North Face
2002 Chevrolet Trailblazer EXT LT
2002 Chevrolet Trailblazer EXT North Face
2002 GMC Envoy SLE
2002 GMC Envoy SLT
2002 GMC Envoy XL SLE
2002 GMC Envoy XL SLT
2002 Oldsmobile Bravada Base
2003 Chevrolet Trailblazer LS
2003 Chevrolet Trailblazer LT
2003 Chevrolet Trailblazer LTZ
2003 Chevrolet Trailblazer North Face
2003 Chevrolet Trailblazer EXT LS
2003 Chevrolet Trailblazer EXT LT
2003 Chevrolet Trailblazer EXT North Face
2003 GMC Envoy SLE
2003 GMC Envoy SLT
2003 GMC Envoy XL SLE
2003 GMC Envoy XL SLT
2003 Oldsmobile Bravada Base
2004 Chevrolet Trailblazer LS
2004 Chevrolet Trailblazer LT
2004 Chevrolet Trailblazer North Face
2004 Chevrolet Trailblazer EXT LS
2004 Chevrolet Trailblazer EXT LT
2004 Chevrolet Trailblazer EXT North Face
2004 GMC Envoy SLE
2004 GMC Envoy SLT
2004 GMC Envoy XL SLE
2004 GMC Envoy XL SLT
2004 GMC Envoy XUV SLE
2004 GMC Envoy XUV SLT
2004 Oldsmobile Bravada Base
2005 Chevrolet Trailblazer LS
2005 Chevrolet Trailblazer LT
2005 Chevrolet Trailblazer EXT LS
2005 Chevrolet Trailblazer EXT LT
2005 GMC Envoy SLE
2005 GMC Envoy SLT
2005 GMC Envoy XL SLE
2005 GMC Envoy XL SLT
2005 GMC Envoy XUV SLE
2005 GMC Envoy XUV SLT
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).
