MBRP Armor Pro Cat-Back Exhaust System S5407304 for 2022–2025 Nissan Frontier 3.8L

THE ONLY EXHAUST YOU"LL EVER NEED - MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It’s the obvious choice for you if you operate your vehicle in extreme conditions. 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. MBRP, Stand out from the crowd with a performance exhaust system that sounds great. Armor Pro Cat Back Performance Exhaust System; 2.5 in. Diameter; 3 in. Single Side Exit; 4 in. Tip; 304 Stainless Steel; 4in. OD Tip Included. Excludes Crew Cab Long Box.

• Enhanced Moderate Exhaust Tone. Smooth Mandrel Bent Tubing. Bolt-on Installation. Up To 34 Percent Flow Increase. Mirror Polished 4 Inch OD Tip Included.
• Mirror Polished 4 Inch OD Tip Included
• Enhanced Moderate Exhaust Tone
• Up To 34 Percent Flow Increase
• Smooth Mandrel Bent Tubing
• Bolt-On Installation

Upgrade your compatible 2022–2025 Nissan Frontier 3.8L with the MBRP Armor Pro Cat-Back Performance Exhaust System, part number S5407304. Designed for a moderate exhaust tone and improved engine breathing, this system features durable T304 stainless steel construction and a single side exit with a mirror-polished 4-inch tip. It is engineered for drivers who want dependable performance, long-term durability, and a clean, finished appearance.

Each section uses smooth mandrel-bent tubing to help maintain consistent internal airflow through the bends. MBRP testing indicates up to a 34 percent flow increase over restrictive factory exhaust components, supporting improved exhaust evacuation and overall vehicle performance. The 2.5-inch exhaust tubing is paired with a 3-inch single side exit and includes the polished tip for a complete installation.

The MBRP S5407304 is built for straightforward bolt-on installation using vehicle-specific components. T304 stainless steel resists corrosion and is easy to clean, making it well suited for vehicles driven in demanding weather or operating conditions. This Armor Pro Series system is backed by MBRP’s lifetime warranty for added ownership confidence. It is designed for applicable Nissan Frontier configurations and excludes Crew Cab Long Box models. Verify vehicle configuration and emissions requirements before installation.

Key Product Specifications and Technical Data

• Brand: MBRP
• Part Number: S5407304
• Series: Armor Pro
• Application: Nissan Frontier 3.8L
• Exhaust Type: Cat-back performance exhaust
• Tube Diameter: 2.5 inches
• Exit Configuration: 3-inch single side exit
• Tip: Mirror-polished 4-inch outside diameter stainless steel tip

What’s Included

• MBRP Armor Pro cat-back exhaust system
• Mirror-polished 4-inch exhaust tip
• Vehicle-specific installation components

Fitment: Fits select 2022–2025 Nissan Frontier models equipped with the 3.8L engine. Excludes Crew Cab Long Box configurations. Professional installation is recommended, and emissions compliance should be confirmed for the intended application.

Features:

• T304 stainless steel construction provides excellent corrosion resistance and long-term durability.
• Mandrel-bent tubing supports smooth airflow and helps maintain consistent exhaust performance.
• Up to 34 percent flow increase can improve exhaust evacuation and engine breathing.
• Moderate exhaust tone, mirror-polished 4-inch tip, and bolt-on installation provide performance and a finished appearance.

Fitments:
2022 Nissan Frontier PRO-4X
2022 Nissan Frontier PRO-X
2022 Nissan Frontier S
2022 Nissan Frontier SV
2023 Nissan Frontier PRO-4X
2023 Nissan Frontier S
2023 Nissan Frontier SV
2024 Nissan Frontier S
2025 Nissan Frontier PRO-X
2025 Nissan Frontier S
2025 Nissan Frontier SL
2025 Nissan Frontier SV
2026 Nissan Frontier PRO-4X
2026 Nissan Frontier PRO-X
2026 Nissan Frontier S
2026 Nissan Frontier SV

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