MBRP Armor Plus S4203409 3-Inch Cat-Back Exhaust System for 2016-2018 Ford Focus RS

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; 3 in.; Incl. Front Pipe/Ext. Pipe/Over Axle Pipe/Muffler/Tailpipes/Hardware/Dual 4.5 in. OD Tips; Dual Rear Exit; T409 Stainless Steel; 4.5in. Outside Diameter Tips Included.

• Rugged T409 Stainless Steel Construction. MBRP Signature Styling and Sound.
• Stainless Steel Tips Are Included
• Improved Torque And Horsepower
• Lower Exhaust Gas Temperatures
• Increased Throttle Response
• Limited Lifetime Warranty
• Utilizes OEM Hangers
• Mellow Exhaust Note
• Bolt On Design

Upgrade your 2016-2018 Ford Focus RS with the MBRP Armor Plus S4203409 cat-back exhaust system, engineered for improved exhaust flow, responsive performance, and a refined dual-exit appearance. This bolt-on system features 3-inch T409 stainless steel tubing with mandrel-bent construction to help minimize restriction and maintain smooth airflow through every bend. The result is improved throttle response, stronger torque and horsepower potential, and lower exhaust gas temperatures.

The MBRP Armor Plus series combines durable construction with signature styling and a mellow exhaust note suitable for street-driven performance vehicles. The system includes the front pipe, extension pipe, over-axle pipe, muffler, tailpipes, hardware, and stainless steel tips. It utilizes the vehicle’s OEM hangers for a straightforward installation and provides a polished dual rear exit with 4.5-inch outside-diameter tips.

T409 stainless steel offers resistance to penetrating rust and is easy to clean, making it a practical choice for many driving environments. However, winter conditions, heavy salt air, and road treatments can accelerate corrosion and may not be covered by the manufacturer’s warranty unless the part or system fails completely. The MBRP Armor Plus S4203409 is backed by a limited lifetime warranty. This product fits 2016, 2017, and 2018 Ford Focus RS models. Installation and emissions compliance should be verified for the intended vehicle and location before purchase.

Key Product Specifications and Technical Data

• Brand: MBRP
• Part Number: S4203409
• Series: Armor Plus
• System Type: Cat-back exhaust
• Tubing Material: T409 stainless steel
• Tube Diameter: 3 inches
• Exit Configuration: Dual rear exit
• Tip Diameter: 4.5 inches outside diameter

What's Included

Front pipe, extension pipe, over-axle pipe, muffler, tailpipes, stainless steel tips, and installation hardware.

Features:

• T409 Stainless Steel Construction: Resists penetrating rust and provides durable performance for everyday driving.
• Mandrel-Bent Tubing: Maintains smooth internal airflow through bends to help reduce exhaust restriction.
• Improved Performance Potential: Supports increased torque, horsepower, throttle response, and lower exhaust gas temperatures.
• Dual Rear Exit Design: Includes stainless steel 4.5-inch tips for a clean, aggressive appearance and mellow exhaust note.

Fitments:
2016 Ford Focus RS
2017 Ford Focus RS
2018 Ford Focus RS

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