MBRP S5277304 Armor Pro Cat-Back Exhaust System for 2021-2022 Ford F-150

Unleash the Power of Your Ford F-150 with MBRP’s S5277304 Performance Exhaust System. Engineered for excellence, the MBRP S5277304 is the ultimate upgrade for your Ford F-150, whether you're running the 2.7L EcoBoost, 3.5L EcoBoost, or the robust 5.0L engine. This system is built to perform—and built to last. Crafted from premium T304 stainless steel, the S5277304 offers unmatched corrosion resistance and durability, making it the ideal choice for drivers who demand long-term performance and a polished look. The system features smooth mandrel-bent tubing, ensuring optimal exhaust flow and a refined, moderate tone that turns heads. When tested on the 5.0L platform, this exhaust system delivered impressive performance gains—up to 11 horsepower and 8 ft-lbs of torque, along with a 28% increase in exhaust flow. That means quicker throttle response, improved fuel efficiency, and a driving experience that feels truly alive. Installation is a breeze thanks to its bolt-on design, allowing you to upgrade without the need for welding. And to top it off, the system includes polished tips that add a sleek, high-end finish to your truck’s rear profile. Armor Pro Cat Back Exhaust System; 3 in.; Single Side Exit; 4.5 in. Dual Tip; 304 Stainless Steel; 4.5in. Outside Diameter Tips Included.

• Durable T304 stainless steel. Smooth mandrel bent tubing. Up to 11 horsepower gains and 8ft-lbs toque gains as tested on 5.0L. Up to 28 percent flow increase as tested on 5.0L. Bolt-on installation. Polished tips included.
• Up to 11 horsepower gains and 8ft-lbs toque gains as tested on 5.0L
• Up to 28 percent flow increase as tested on 5.0L
• Durable T304 Stainless Steel
• Smooth Mandrel Bent Tubing
• Polished Tips Included
• Bolt-On Installation

Upgrade your 2021-2022 Ford F-150 with the MBRP S5277304 Armor Pro Cat-Back Exhaust System. Designed for trucks equipped with the 2.7L EcoBoost, 3.5L EcoBoost, or 5.0L engine, this performance exhaust system improves exhaust flow while delivering a refined, moderate exhaust tone. Its single-side exit configuration and polished dual tips provide a clean, performance-oriented appearance.

Constructed from durable T304 stainless steel, the MBRP S5277304 is engineered to resist corrosion and withstand demanding driving conditions. Smooth mandrel-bent tubing helps maintain consistent exhaust flow through the system, supporting responsive throttle performance and efficient operation. Testing on the 5.0L platform showed gains of up to 11 horsepower, 8 lb-ft of torque, and a 28% increase in exhaust flow.

The MBRP S5277304 features a bolt-on installation designed to simplify the upgrade without welding. Polished 4.5-inch dual exhaust tips are included for a finished appearance behind the truck. This cat-back system is intended for applicable 2021-2022 Ford F-150 fitments and may require acknowledgement of emissions-related requirements before installation. Verify vehicle configuration and local regulations before purchase.

Key Product Specifications and Technical Data

• Brand: MBRP
• Part Number: S5277304
• Product Type: Cat-back exhaust system
• Application: 2021-2022 Ford F-150
• Engine Fitment: 2.7L EcoBoost, 3.5L EcoBoost, and 5.0L engines
• Material: T304 stainless steel
• Configuration: Single-side exit with dual polished tips
• Installation: Bolt-on design with no welding required

What's Included

One MBRP S5277304 Armor Pro Cat-Back Exhaust System, including the exhaust tubing, system components, and polished dual exhaust tips.

Features:

• Durable T304 stainless steel construction provides strong corrosion resistance and long-term service life.
• Smooth mandrel-bent tubing supports consistent exhaust flow and responsive engine performance.
• Testing on the 5.0L platform demonstrated gains of up to 11 horsepower and 8 lb-ft of torque.
• Bolt-on installation simplifies installation without requiring welding, while polished dual tips provide a finished appearance.

Fitments:
2021 Ford F-150 King Ranch
2021 Ford F-150 Lariat
2021 Ford F-150 Limited
2021 Ford F-150 Platinum
2021 Ford F-150 XL
2021 Ford F-150 XLT
2022 Ford F-150 King Ranch
2022 Ford F-150 Lariat
2022 Ford F-150 Limited
2022 Ford F-150 Platinum
2022 Ford F-150 XL
2022 Ford F-150 XLT
2023 Ford F-150 King Ranch
2023 Ford F-150 Lariat
2023 Ford F-150 Limited
2023 Ford F-150 Platinum
2023 Ford F-150 XL
2023 Ford F-150 XLT
2024 Ford F-150 King Ranch
2024 Ford F-150 Lariat
2024 Ford F-150 Platinum
2024 Ford F-150 STX
2024 Ford F-150 XL
2024 Ford F-150 XLT
2025 Ford F-150 King Ranch
2025 Ford F-150 Lariat
2025 Ford F-150 Platinum
2025 Ford F-150 STX
2025 Ford F-150 XL
2025 Ford F-150 XLT
2026 Ford F-150 King Ranch
2026 Ford F-150 Lariat
2026 Ford F-150 Platinum
2026 Ford F-150 STX
2026 Ford F-150 XL
2026 Ford F-150 XLT

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1