The Outlaw Extreme cat-back system for 2021-2026 Ford F-150 replaces the factory exhaust behind the catalytic converter with 3 in. mandrel-bent 409 stainless steel tubing, a chambered muffler, for aggressive sound.

Flowmaster 818118 Features:

• 3 in. mandrel-bent 409 stainless steel tubing in 16-gauge.
• Single Exit.
• Outlaw series chambered muffler for aggressive sound.
• Clamps and factory-style hangers for the stock locations are included.

Flowmaster 818118 Applications:

• 2021-2026 Ford F-150 2.7L, 3.5L, 5.0L

Flowmaster 818118 Compatibility Notes:

• Does not fit regular cab with 6.5' bed, does not fit models with factory dual exhaust, active exhaust or hybrid Powerboost.

Emissions: This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.