MBRP Armor Plus S5143 3-Inch High-Flow Muffler Replacement for 2019–2020 Ram 1500 5.7L

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 Muffler Replacement; 3 in. Inlet/Outlet; High Flow; T409 Stainless Steel; Factory Duals Only.

• High Flow Muffler Replacement. Durable 16-Gauge T409 Stainless Steel Construction.
• Muffler Replacement

Upgrade the exhaust performance of your 2019–2020 Ram 1500 with the MBRP Armor Plus S5143 muffler replacement. Designed for factory-dual exhaust systems, this high-flow muffler features a 3-inch inlet and outlet to support efficient exhaust flow while maintaining a clean, direct-fit installation. It is engineered for Ram 1500 applications equipped with the 5.7L engine and provides a durable replacement solution for drivers seeking improved exhaust performance and a more purposeful sound.

The MBRP Armor Plus S5143 is constructed from corrosion-resistant 16-gauge T409 stainless steel, a practical material selected for dependable service in everyday driving conditions. T409 stainless steel is resistant to penetrating rust and is easy to clean, helping the muffler maintain its appearance and structural integrity over time. Mandrel-bent tubing preserves the internal diameter through each bend, minimizing restrictions and helping the engine move exhaust gases more efficiently. This design can support improved airflow, throttle response, and overall vehicle performance.

Built for long-term reliability, the MBRP Armor Plus Series muffler replacement is backed by a lifetime warranty. T409 stainless steel is well suited to moderate climates and normal road exposure; however, winter conditions, heavy salt air, and road treatments may accelerate corrosion and are not covered unless the part or system fails completely under the manufacturer’s warranty terms. Fitment includes select 2019 and 2020 Ram 1500 models with the 5.7L engine and factory dual exhaust. Verify the vehicle configuration before ordering.

Key Product Specifications & Technical Data

• Brand: MBRP
• Part Number: S5143
• Series: Armor Plus
• Product Type: Muffler replacement
• Inlet Diameter: 3 inches
• Outlet Diameter: 3 inches
• Construction: 16-gauge T409 stainless steel
• Exhaust Configuration: Factory duals only

What's Included

• One MBRP Armor Plus S5143 high-flow muffler replacement

Features:

• High-Flow Performance: The 3-inch inlet and outlet help reduce exhaust restriction and support efficient gas flow.
• T409 Stainless Steel Construction: Durable 16-gauge stainless steel resists penetrating rust and is easy to clean.
• Mandrel-Bent Tubing: Smooth bends preserve the internal diameter for consistent airflow and improved exhaust efficiency.
• Lifetime Warranty: MBRP Armor Plus construction is backed by a lifetime warranty for long-term peace of mind.

Fitments:
2019 Ram 1500 Big Horn
2019 Ram 1500 Laramie
2019 Ram 1500 Laramie Longhorn
2019 Ram 1500 Limited
2019 Ram 1500 Lone Star
2019 Ram 1500 Rebel
2019 Ram 1500 Tradesman
2020 Ram 1500 Big Horn
2020 Ram 1500 Laramie
2020 Ram 1500 Laramie Longhorn
2020 Ram 1500 Limited
2020 Ram 1500 Lone Star
2020 Ram 1500 Rebel
2020 Ram 1500 Special Service
2020 Ram 1500 Tradesman
2021 Ram 1500 Big Horn
2021 Ram 1500 Laramie
2021 Ram 1500 Limited
2021 Ram 1500 Limited Longhorn
2021 Ram 1500 Lone Star
2021 Ram 1500 Rebel
2021 Ram 1500 Special Service
2021 Ram 1500 Tradesman
2022 Ram 1500 Big Horn
2022 Ram 1500 Laramie
2022 Ram 1500 Limited
2022 Ram 1500 Limited Longhorn
2022 Ram 1500 Lone Star
2022 Ram 1500 Rebel
2022 Ram 1500 Tradesman
2023 Ram 1500 Big Horn
2023 Ram 1500 Laramie
2023 Ram 1500 Limited
2023 Ram 1500 Limited Longhorn
2023 Ram 1500 Lone Star
2023 Ram 1500 Rebel
2023 Ram 1500 Tradesman
2024 Ram 1500 Big Horn
2024 Ram 1500 Laramie
2024 Ram 1500 Limited
2024 Ram 1500 Limited Longhorn
2024 Ram 1500 Lone Star
2024 Ram 1500 Rebel
2024 Ram 1500 Tradesman

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