MBRP S5209409 Armor Plus Cat-Back Exhaust System for 2021-2022 Ford F-150

RELIABILITY BACKED FOR A LIFETIME - ARMOR PLUS Series exhaust systems are crafted from corrosion-resistant T409 Stainless Steel - a value-oriented material designed to protect from penetrating rust and will stand up to almost anything you can throw at it. T409 Stainless Steel tubing is easy to clean. If you’re looking for a performance exhaust system with a Lifetime Warranty, this is probably the one for you. If you don’t find yourself faced with lots of precipitation and salt, this is all you’re ever going to need. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine’s cylinders, allowing it to produce more power and improve vehicle performance and longevity. It's important to note that T409 Stainless Steel is resistant to penetrating rust but winter conditions, heavy salt air, and road treatments might accelerate the corrosion process, these conditions are not covered by MBRP's manufacturer warranty unless the part or system fails completely. When it comes to a performance exhaust system, choose the MBRP ARMOR PLUS Series for a reliable option backed for a lifetime. MBRP, Stand out from the crowd with a performance exhaust system that sounds great. Armor Plus Cat Back Exhaust System; 4 in.; Single Side Exit; 5 in. Tip; Race Sound; 409 Stainless Steel; 5in. Outside Diameter Tip Included. Very Aggressive on the 5.0L. Excludes PowerBoost.

• Rugged T409 Stainless Steel Construction. Bolt-on Installation. Race Version. MBRP Signature Styling and Sound. Hardware Included.
• Improved Torque And Horsepower
• Lower Exhaust Gas Temperatures
• Increased Throttle Response
• Utilizes OEM Hangers
• Aggressive Race Tone

Upgrade your truck’s exhaust performance and sound with the MBRP Armor Plus Cat-Back Exhaust System, part number S5209409. Designed for select 2021-2022 Ford F-150 models with 2.7L, 3.5L, and 5.0L engines, this race-version system features 4-inch T409 stainless steel tubing, a single-side exit, and a 5-inch exhaust tip. It delivers an aggressive race tone and is specifically noted as very aggressive on the 5.0L engine. This system excludes PowerBoost applications.

Constructed from corrosion-resistant T409 stainless steel, the MBRP Armor Plus system provides dependable protection against penetrating rust while remaining easy to clean. Mandrel-bent tubing helps maintain consistent internal airflow through each bend, supporting improved exhaust flow, throttle response, torque, horsepower, and exhaust gas temperature control. The system is engineered for a straightforward bolt-on installation using factory-style hangers, and included hardware helps simplify the installation process.

MBRP backs the Armor Plus Series with a lifetime warranty for lasting confidence. T409 stainless steel is resistant to penetrating rust, though exposure to winter conditions, heavy salt air, and road treatments may accelerate corrosion and is subject to the manufacturer’s warranty limitations unless the part or system fails completely. The system includes MBRP signature styling and sound, making it a practical performance upgrade for drivers seeking a durable, aggressive exhaust setup. Fitment includes select 2021 and 2022 Ford F-150 applications; verify the engine and configuration before purchase.

Product Specifications and Technical Data

• Brand: MBRP
• Part Number: S5209409
• Series: Armor Plus
• System Type: Cat-back exhaust
• Material: T409 stainless steel
• Inlet Tubing Diameter: 4 inches
• Exit Configuration: Single-side exit with 5-inch tip
• Sound Level: Aggressive race tone

What's Included

• MBRP Armor Plus cat-back exhaust system
• 5-inch exhaust tip
• Installation hardware

Features:

• T409 Stainless Steel Construction: Corrosion-resistant tubing provides durable performance and is easy to clean.
• Mandrel-Bent Tubing: Smooth bends help preserve exhaust flow and support improved engine performance.
• Aggressive Race Tone: Delivers MBRP signature styling and a pronounced race-inspired exhaust sound.
• Bolt-On Installation: Uses OEM-style hangers and includes hardware for a straightforward installation.

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 SSV
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 SSV
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 SSV
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 SSV
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 SSV
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 SSV
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