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The K&N 77-1553KP is a high-flow cold air intake system designed for 2007-2011 Jeep Wrangler models equipped with the 3.8L V6 engine, including Wrangler and Wrangler Unlimited variants. This kit replaces the factory air filter and intake tube with a mandrel-bent aluminum tube and oversized oiled cotton filter for increased airflow and power. Dyno-tested gains include 12.3 horsepower at 5200 RPM and 11.7 ft-lbs of torque at 3800 RPM.
Key Features
- Power Gains: Dyno-proven increase of 12.3 HP at 5200 RPM and 11.7 ft-lbs torque at 3800 RPM through high-volume airflow design.
- High-Flow Filter: Washable and reusable oiled cotton media filter lasts up to 100000 miles between cleanings under highway conditions with exceptional filtration.
- Mandrel-Bent Tube: Aluminum construction provides smooth unrestricted airflow from oversized air filter to throttle body.
- Easy Replacement: Direct bolt-on design swaps factory components without modifications or tuning required.
- Product weight 8.1 lbs ships in protective box measuring 23.75 in x 13.5 in x 9.5 in.
- Bolt-on fit with all necessary hardware included, no cutting or permanent vehicle alterations.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2007-2011 | Jeep | Wrangler | 70th Anniversary, Rubicon, Sahara, Sport, Unlimited 70th Anniversary, Unlimited Rubicon, Unlimited Sport, Unlimited X, additional manufacturer-listed applications |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 77-1553KP |
| 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 77-1553KP. 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.
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Frequently Asked Questions
How do I confirm K&N 77-1553KP 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 77-1553KP 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 77-1553KP?
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
- Completes in 60 minutes or less using basic hand tools like screwdriver and pliers.
- Bolt-on fit with all necessary hardware included, no cutting or permanent vehicle alterations.
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