MBRP S4607304 Armor Pro Cat-Back Exhaust System for 2018–2019 Audi S4 and S5

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 Exhaust System; 2.5 in.; T304 Stainless Steel; Dual Rear; Quad Tip; 4in. Quad T304 Tips Included. Fits Sport Differential. Excludes Cabriolet.

• Durable T304 Stainless Steel Construction. Bolt-on Installation. Moderate Sound. Flow Increase of 24%. Fits with Sport Differential. Eliminates Exhaust Valves with Electronic Valve Simulators. MBRP Signature Styling and Sound.
• Improved Torque And Horsepower
• Lower Exhaust Gas Temperatures
• Increased Throttle Response
• Utilizes OEM Hangers
• Bolt On Design

Brief Description: Upgrade your Audi S4 or S5 with the MBRP S4607304 Armor Pro Cat-Back Exhaust System. Constructed from durable T304 stainless steel, this performance exhaust system is designed for long-term corrosion resistance, improved exhaust flow, and a refined moderate exhaust tone. The system features a 2.5-inch mandrel-bent exhaust path, dual rear outlets, and quad 4-inch stainless steel tips for distinctive MBRP styling.

Mandrel-bent tubing helps maintain consistent internal diameter through each bend, reducing restriction and supporting improved airflow. The result can include increased throttle response, improved torque and horsepower, lower exhaust gas temperatures, and an advertised flow increase of 24 percent. The bolt-on design uses OEM hangers for a straightforward installation, while electronic valve simulators eliminate the factory exhaust valves. This system is designed to fit vehicles equipped with the Sport Differential.

Key Product Specifications & Technical Data:

• Brand: MBRP
• Part Number: S4607304
• Series: Armor Pro
• System Type: Cat-back exhaust system
• Material: T304 stainless steel
• Exhaust Tubing: 2.5-inch mandrel-bent tubing
• Outlet Configuration: Dual rear exit with quad tips
• Sound Level: Moderate; includes MBRP signature styling and sound

What's Included in the Box: MBRP Armor Pro cat-back exhaust components, quad 4-inch T304 stainless steel exhaust tips, electronic valve simulators, and installation hardware as supplied by the manufacturer. The system utilizes OEM hangers and is designed for bolt-on installation.

Fitment: Fits 2018–2019 Audi S4 sedans and 2018–2019 Audi S5 coupes equipped with the Sport Differential. Excludes Cabriolet models. Professional installation is recommended. This product is not CARB approved where applicable; verify local emissions requirements before purchase. Proposition 65 warning applies.

Features:

• T304 Stainless Steel Construction: Provides excellent durability and corrosion resistance for demanding driving conditions.
• Mandrel-Bent Tubing: Maintains consistent airflow through bends to help reduce restriction and support a 24 percent flow increase.
• Performance Enhancement: Supports improved torque, horsepower, throttle response, and lower exhaust gas temperatures.
• Bolt-On Installation: Uses OEM hangers and includes electronic valve simulators for a straightforward installation with Sport Differential compatibility.

Fitments:
2018 Audi S4 Premium Plus
2018 Audi S4 Prestige
2018 Audi S5 Premium Plus
2018 Audi S5 Prestige
2019 Audi S4 Premium
2019 Audi S4 Premium Plus
2019 Audi S4 Prestige
2019 Audi S5 Premium
2019 Audi S5 Premium Plus
2019 Audi S5 Prestige
2020 Audi S4 Premium
2020 Audi S4 Premium Plus
2020 Audi S4 Prestige
2020 Audi S5 Premium
2020 Audi S5 Premium Plus
2020 Audi S5 Prestige
2021 Audi S4 Premium
2021 Audi S4 Premium Plus
2021 Audi S4 Prestige
2021 Audi S5 Premium
2021 Audi S5 Premium Plus
2021 Audi S5 Prestige
2022 Audi S4 Premium
2022 Audi S4 Premium Plus
2022 Audi S4 Prestige
2022 Audi S5 Premium
2022 Audi S5 Premium Plus
2022 Audi S5 Prestige
2023 Audi S4 Premium
2023 Audi S4 Premium Plus
2023 Audi S4 Prestige
2023 Audi S5 Premium
2023 Audi S5 Premium Plus
2023 Audi S5 Prestige
2024 Audi S4 Premium
2024 Audi S4 Premium Plus
2024 Audi S4 Prestige
2024 Audi S5 Premium
2024 Audi S5 Premium Plus
2024 Audi S5 Prestige
2025 Audi S4 Premium
2025 Audi S4 Premium Plus
2025 Audi S4 Prestige

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