MBRP Armor Pro Axle-Back Exhaust System S4801304 for 2011-2015 Subaru Impreza and 2015 WRX/STI

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 Axle Back Exhaust System; 2.5 in.; Dual Split Rear Exit; T304 Stainless Steel; Incl. 3.5 in. OD Dual Out Tips; Two 3.5in. Outside Diameter Tips Included.

• Durable T304 Stainless Steel. Easy to Clean and Maintain. Bolt-on Installation. MBRP Signature Styling and Sound.
• Stainless Steel Tips Are Included
• Improved Torque And Horsepower
• Lower Exhaust Gas Temperatures
• Increased Throttle Response
• Utilizes OEM Hangers
• Mellow Exhaust Note
• Lifetime Warranty
• Bolt On Design

Upgrade your Subaru with the MBRP Armor Pro Axle-Back Exhaust System, part number S4801304. Designed for select 2011-2015 Subaru Impreza models and 2015 Subaru WRX and WRX STI applications, this system delivers a refined exhaust tone, improved throttle response, and enhanced exhaust flow. Its dual split rear-exit configuration includes two polished 3.5-inch outside-diameter exhaust tips for a distinctive, performance-oriented appearance.

Constructed from durable T304 stainless steel, the MBRP Armor Pro system is built to withstand demanding driving conditions while remaining easy to clean and maintain. Mandrel-bent tubing helps preserve consistent internal diameter through each bend, supporting efficient exhaust flow and improved engine breathing. The bolt-on design uses factory exhaust hangers for a straightforward installation and maintains MBRP’s signature styling and mellow exhaust note.

With potential benefits including improved torque and horsepower, lower exhaust gas temperatures, and increased throttle response, this axle-back system is a practical upgrade for street-driven performance vehicles. MBRP backs the Armor Pro Series with a lifetime warranty for added long-term confidence. This system is intended for compatible Subaru applications and is not CARB approved; verify vehicle fitment and emissions requirements before installation.

Key Product Specifications and Technical Data

• Brand: MBRP
• Part Number: S4801304
• Series: Armor Pro
• System Type: Axle-back exhaust system
• Material: T304 stainless steel
• Exhaust Configuration: Dual split rear exit
• Inlet Tubing Diameter: 2.5 inches
• Exhaust Tip Diameter: 3.5 inches outside diameter

What's Included

• MBRP Armor Pro axle-back exhaust assembly
• Two stainless steel exhaust tips
• Installation hardware as supplied by the manufacturer

Fitment: Fits select 2011-2015 Subaru Impreza models and 2015 Subaru WRX and WRX STI models. Confirm the exact vehicle configuration before ordering.

Features:

• Durable T304 stainless steel construction resists corrosion and is easy to clean and maintain.
• Mandrel-bent tubing supports smooth exhaust flow without rippling through the bends.
• Dual split rear-exit design with two included 3.5-inch stainless steel exhaust tips delivers MBRP styling.
• Bolt-on installation uses OEM hangers and provides a mellow performance exhaust note.

Fitments:
2011 Subaru Impreza WRX
2011 Subaru Impreza WRX Limited
2011 Subaru Impreza WRX Premium
2011 Subaru Impreza WRX STI
2011 Subaru Impreza WRX STI Limited
2012 Subaru Impreza WRX
2012 Subaru Impreza WRX Limited
2012 Subaru Impreza WRX Premium
2012 Subaru Impreza WRX STI
2012 Subaru Impreza WRX STI Limited
2013 Subaru Impreza WRX
2013 Subaru Impreza WRX Limited
2013 Subaru Impreza WRX Premium
2013 Subaru Impreza WRX STI
2013 Subaru Impreza WRX STI Limited
2014 Subaru Impreza WRX
2014 Subaru Impreza WRX Limited
2014 Subaru Impreza WRX Premium
2014 Subaru Impreza WRX STI
2014 Subaru Impreza WRX STI Limited
2015 Subaru WRX Base
2015 Subaru WRX Limited
2015 Subaru WRX Premium
2015 Subaru WRX STI Base
2015 Subaru WRX STI Launch Edition
2015 Subaru WRX STI Limited
2016 Subaru WRX Base
2016 Subaru WRX Limited
2016 Subaru WRX Premium
2016 Subaru WRX STI Base
2016 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2017 Subaru WRX Base
2017 Subaru WRX Limited
2017 Subaru WRX Premium
2017 Subaru WRX STI Base
2017 Subaru WRX STI Limited
2018 Subaru WRX Base
2018 Subaru WRX Limited
2018 Subaru WRX Premium
2018 Subaru WRX STI Base
2018 Subaru WRX STI Limited
2018 Subaru WRX STI Type RA
2019 Subaru WRX Base
2019 Subaru WRX Limited
2019 Subaru WRX Premium
2019 Subaru WRX STI Base
2019 Subaru WRX STI Limited
2019 Subaru WRX STI S209
2020 Subaru WRX Base
2020 Subaru WRX Limited
2020 Subaru WRX Premium
2020 Subaru WRX STI Base
2020 Subaru WRX STI Limited
2021 Subaru WRX Base
2021 Subaru WRX Limited
2021 Subaru WRX Premium
2021 Subaru WRX STI Base
2021 Subaru WRX STI Limited

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