aFe Momentum ST Cold Air Intake System (51-46209) delivers significant power gains and improved airflow for 1997-2001 Jeep Cherokee (XJ) I6 4.0L models. This system features a unique one-piece sealed housing with an auxiliary air scoop to ensure the coldest air intake charge available, with a urethane plug included for complete sealing if desired. It utilizes a high-quality plastic, CAD-designed, dyno-tuned, roto-molded intake tube for maximum power gains and a perfect fit. The system is designed around the largest possible 8" tall inverted top Pro DRY S filter, which is a 3-layer progressively finer synthetic media that is oil-free, washable, and reusable, constructed with a 100% polyurethane frame for long life and multiple cleaning cycles. Premium stainless steel T-bolt clamps and a silicone coupler at the throttle body ensure strength, durability, and a secure installation.
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