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The K&N 57-3031-1 Performance Air Intake System upgrades your 2001-2007 Chevrolet Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD with 6.0L V8 engines by replacing the stock intake with a high-volume roto-molded tube and oversized high-flow filter. This delivers dyno-proven gains of 12.3 HP at 5204 RPM and 12.9 lb-ft torque at 3964 RPM while maintaining superior filtration. Install takes under 60 minutes using basic hand tools for immediate power improvement.
Key Features
- Roto-molded HDPE intake tube: Expands airflow volume to the engine for better throttle response and power delivery
- Oversized oiled cotton air filter: Washable and reusable with service intervals up to 100000 miles under highway conditions
- Custom heat shield: Insulates incoming air from engine bay heat to maintain dense cool air charge
- Easy bolt-on design: Replaces factory air filter and tube with no vehicle modifications required
- No-Hassle Lifetime Limited Warranty: Covers the entire system for long-term reliability and peace of mind
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS, LT, WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS, WT |
| 2001-2006 | Chevrolet | Silverado 3500 | LS, LT, WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LT, WT |
| 2001-2006 | GMC | Sierra 2500 HD | SL, SLE, SLT |
| 2007 | GMC | Sierra 2500 HD Classic | SL, SLE, SLT, WT |
| 2001-2006 | GMC | Sierra 3500 | SL, SLT, WT |
| 2007 | GMC | Sierra 3500 Classic | SL, SLE, SLT, WT |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 57-3031-1 |
| 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 57-3031-1. 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
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Frequently Asked Questions
How do I confirm K&N 57-3031-1 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 57-3031-1 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 57-3031-1?
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
- Complete install in 60 minutes or less using included clamps and basic hand tools
- Bolts to factory mounting points includes 6 zinc-dichromate steel clamps
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