SKU: KNE57-1553
UPC: 024844232304
MPN: 57-1553
The K&N 57-1553 FIPK air induction system for 2007–2011 Jeep Wrangler 3.8L engines delivers a cold-air intake upgrade engineered to increase airflow to the engine while maintaining reliable performance. This 57 Series Fuel Injection Performance Kit replaces the factory air box with a reusable oiled filter design that captures particulates while allowing higher volume intake compared to restrictive OEM configurations. The black plastic construction integrates directly into existing engine bay space, requiring no extensive modifications to mounting or clearances.
The reusable oiled filter element is the core technical advantage of this system. Unlike disposable paper filters that accumulate restriction over time, the K&N filter can be cleaned and re-oiled multiple times across its service life, reducing long-term replacement costs. The larger filter surface area and optimized intake tract diameter allow the 3.8L engine to draw cooler ambient air more efficiently. The complete kit includes all necessary brackets, piping, and hardware for bolt-on installation without cutting or welding. For Wrangler owners seeking straightforward bolt-on air intake upgrades, this system avoids the complexity of custom fabrication while providing measurable intake efficiency gains.
This upgrade targets Wrangler JK platform owners who want responsive engine behavior and improved throttle response without altering fuel mapping or requiring dyno tuning. The FIPK design is compatible with stock engine management, making it a plug-and-play modification suitable for both trail-rated vehicles and daily-driven Wranglers. Installation typically takes one to two hours with basic hand tools, and the system preserves all factory air-box mounting points for future reversibility.
K&N Engineering has positioned the 57 Series line as a cost-effective entry point to performance air intake systems, balancing durability and filtration efficiency for OEM replacement applications. The 07–11 Wrangler 3.8L FIPK remains a popular choice among JK platform builders looking for intake improvements that support higher fuel flow or turbo preparations without requiring full engine bay redesign.
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