Description
High-Performance Exhaust. The Kooks 21+ Ford F150 2.7/3.5/5.0L 3in Dual Cat-Back Rear Exit – 13704220 enhances exhaust flow to deliver a more aggressive sound and improved performance. This system replaces the factory exhaust from the catalytic converter back, providing better power delivery and driving enjoyment. It’s engineered for enthusiasts seeking a balance of function and style.
Construction and Appearance. Constructed from premium 304 stainless steel with mandrel-bent tubing, this exhaust ensures smooth airflow without restrictions. The system includes polished resonators and an oval muffler, complemented by black ceramic-coated 4″ slash-cut tips that offer a sleek, durable finish resistant to corrosion.
Installation. Installation is straightforward and requires no cutting or drilling. The system bolts directly to the factory exhaust using mandrel-bent connections, and all necessary clamps and hanger mounts are included for a hassle-free fit.
Warranty. This product comes with a limited lifetime warranty to the original purchaser, guaranteeing lasting quality and performance.
Application. Designed specifically to fit 2021 through 2026 Ford F-150 models equipped with the 3.5L EcoBoost engine. This system is not compatible with Raptor and Tremor editions.
CA Residents: WARNING: Cancer and Reproductive Harm
- 304 Stainless Steel Construction for Durability and Corrosion Resistance
- Mandrel Bent Tubing for Smooth, Unrestricted Exhaust Flow
- 3″ Inlet Connects to OEM Exhaust and Splits to Dual 2-1/2″ Exhaust Pipes
- Includes Polished Resonators, Oval Muffler, and 4″ Black Ceramic Coated Slash Cut Tips that Exit Straight Back Under the Rear Bumper
- Includes Clamps and Hanger Mounts Required for Installation
- Designed for 145″ and 157″ Wheelbase Ford F-150 Trucks
- Fits 2021-2026 Ford F-150 3.5L EcoBoost Models, Excluding Raptor and Tremor Editions






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