Click to zoom in
The K&N 57-3036 is a complete cold air intake system designed for 2002-2005 Chevrolet Trailblazer 4.2L L6, GMC Envoy, Envoy XL, Envoy XUV, Trailblazer EXT, and Oldsmobile Bravada models. It replaces the factory air filter and intake tube with a high-volume roto-molded HDPE tube and oversized high-flow oiled cotton filter for guaranteed horsepower and torque gains. A custom heat shield keeps intake air cool while the washable filter lasts up to 100,000 miles between services under highway driving.
Key Features
- Oversized high-flow air filter: Oiled cotton media provides superior filtration and requires cleaning only every 100,000 miles on highway drives.
- Easy installation: Bolt-on design completes in 60 minutes or less using basic hand tools with no vehicle modifications.
- Roto-molded HDPE intake tube: Increases airflow volume to the engine for more power and smoother throttle response.
- Custom heat shield: Blocks hot underhood air to deliver cooler denser intake charge for better performance.
- High-flow filtration traps dirt while allowing maximum clean air through.
- Replaces OEM air filter and intake tube without cutting or permanent changes.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2002-2005 | Chevrolet | Trailblazer | LS, LT, LTZ, North Face |
| 2002-2005 | Chevrolet | Trailblazer EXT | LS, LT |
| 2002-2005 | GMC | Envoy | SLE, SLT |
| 2002-2005 | GMC | Envoy XL | SLE, SLT |
| 2004-2005 | GMC | Envoy XUV | SLE, SLT |
| 2002-2004 | Oldsmobile | Bravada | Verify engine and application notes |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 57-3036 |
| Product Type | Cold Air Intakes |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new K&N cold air intakes identified by manufacturer part number 57-3036. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
Related K&N Engineering Products
- Shop all K&N Engineering products
- K&N 06-09 Chevy Trailblazer / GMC Envoy L6-4.2L Aircharger Performance Intake
- K&N 06 GM Trailblazer/Envoy L6-4.2L Performance Intake Kit
- K&N 02-04 Chevy Avalanche V8-5.3L Performance Intake Kit
Frequently Asked Questions
How do I confirm K&N 57-3036 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.
Does K&N 57-3036 require tuning or emissions verification?
Requirements vary by vehicle and intake configuration. Check the current K&N application and emissions notes, and complete any required calibration before full-load operation.
What should be checked after installing K&N 57-3036?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
- Requires only simple hand tools like screwdriver and pliers for 60-minute install
- Bolts directly to factory mounting points with included hardware
Air Intake Systems
Shop cold air intakes, short ram intakes, enclosed air boxes, intake tubes, mass air flow sensors, snorkels, scoops, silicone couplers, replacement filters, and intake service components at Black Ops Auto Works. This collection covers complete vehicle-specific intake systems and supporting components for performance cars, trucks, SUVs, Jeeps, diesel vehicles, off-road builds, and custom fabrication projects. Performance Air Intake Systems and Components An engine air intake system filters incoming air and delivers it to the throttle body, turbocharger, or supercharger inlet. Aftermarket systems may change the intake path, filter location, tubing size, air-box design, induction sound, and airflow characteristics. The results depend on the exact vehicle, engine calibration, intake design, installed modifications, and operating conditions. This collection includes products from Legmaker Intakes, aFe POWER, JLT, K&N, AIRAID, CORSA Performance, Injen, Spectre, Granatelli, Vibrant Per...
View Air Intake Systems Products
Cold Air Intakes
Shop cold air intakes, short ram intakes, closed-airbox intake systems, replacement air filters, intake tubes, and MAF housings from K&N, AEM, aFe Power, Airaid, S&B Filters, Injen, Roush, Volant, Corsa, Mishimoto, HPS Performance, Cobb Tuning, JLT, Vararam, Steeda, and other performance intake brands. Find full open-element cold air intakes, sealed-airbox systems, dry and oiled air filters, replacement drop-in filter panels, MAF sensor housings, and complete intake tube kits. Cold air intakes for domestic muscle, sport-compact tuners, diesel trucks, off-road 4x4, Euro performance, and modern sport SUVs Mustang, Camaro, Challenger, Charger, F-150, Silverado, Ram, Tundra, Tacoma, 4Runner, Wrangler, Bronco, Cummins, Duramax, Power Stroke, WRX/STi, Civic Type R, GR86, Supra, GR Corolla, BMW M2/M3/M4, Golf R, and hundreds of additional platforms. Filter by vehicle, intake style (open element, closed airbox, short ram, tube kit), filter media (oiled cotton, dry synthetic), tun...
View Cold Air Intakes Products
K&N Engineering
Shop K&N Engineering cold-air intakes, performance air filters, oil filters, cabin filters, universal filters, filter wraps, cleaning kits, and intake accessories at Black Ops Auto Works. The complete K&N collection covers cars, trucks, SUVs, diesel vehicles, motorcycles, ATVs, UTVs, marine engines, industrial equipment, racing applications, and custom intake systems. K&N Cold-Air Intake Systems K&N AirCharger, NextGen, Typhoon, and other performance intake systems replace selected factory airbox, filter, and intake-tube components. Depending on the application, a system may include a molded or metal intake tube, heat shield or enclosed airbox, washable filter, couplers, clamps, brackets, mounting hardware, and provisions for factory sensors or ventilation connections. K&N tests vehicle-specific intake systems and publishes dyno information for individual part numbers. Horsepower, torque, sound, and airflow results are application-specific. Use the test data for ...
View K&N Engineering Products