Description

The K&N Filters FIPK Air Intake Kit for Trailblazer/Envoy 4.2L (KNN57-3036) is engineered to increase horsepower and acceleration by improving airflow into the engine. This intake system replaces the factory air filter and intake tubing with a high-flow design that allows your engine to breathe more efficiently. The included washable and reusable filter helps reduce waste and maintenance costs. Compatible with select 4.2L Chevrolet Trailblazer and GMC Envoy models, this kit is easy to install with basic hand tools and requires no ECU tuning. Ideal for performance-focused daily drivers.

Features and Specifications:

Vehicle Fitment: Chevrolet Trailblazer / GMC Envoy with 4.2L engine
Air Filter Color: Red
Air Filter Material: Cotton Gauze
Air Filter Outlet Shape: Round
Included: Mounting Hardware, 4 Clamps, and 1 Coupler
Clamp Material: Stainless Steel
Clamp Style: Regular
CARB EO Number: D-269-31
Intake Pipe Color / Finish: Black
Intake Pipe Material: High-Density Cross-Linked Polyethylene
Estimated Horsepower Gain: 9.28 HP @ 5623 RPM
Replacement Filter: RU-4630
Increased Performance: Boosts horsepower and torque for improved engine output.
HDPE Intake Tube: Roto-molded for durability and efficient airflow.
High-Flow Filter: Direct replacement air filter enhances throttle response and engine sound.
Optimized Airflow: Engineered for high airflow and superior filtration efficiency.
Low Maintenance: Filter requires cleaning only every 100,000 miles under everyday driving.
Easy Installation: Installs in under 60 minutes using basic hand tools.
Lifetime Warranty: Covered by a No-Hassle Lifetime Limited Warranty.
Emissions Legal: 50-state legal for street use.