MBRP S48013CF 2.5" Axle-Back Exhaust for 2011-2021 Subaru WRX/STI 2.0L/2.5L

Vehicle Fitment

• 2011-2014 Subaru Impreza WRX (2.5L H-4, AWD)
• 2011-2014 Subaru Impreza WRX STI (2.5L H-4, AWD)
• 2015-2021 Subaru WRX (2.0L & 2.5L H-4, AWD)
• 2015-2021 Subaru WRX STI (2.5L H-4, AWD)

Features

• Axle-back exhaust system engineered for improved flow and tone
• 2.5" mandrel-bent T304 stainless steel tubing for durability and corrosion resistance
• Dual split rear exit design for aggressive rear styling
• Street sound profile tuned for deeper, engaging exhaust note
• Carbon fiber dual-wall 3.5" exhaust tips for premium visual appeal
• Bolt-on installation - no cutting required
• Lifetime manufacturer warranty on materials and workmanship
• Improves throttle response and reduces backpressure over stock

Specifications

• Part Number: S48013CF
• System Type: Axle-back exhaust
• Main Pipe Diameter: 2.5"
• Material: T304 stainless steel
• Exit Style: Dual split rear
• Tip Diameter: 3.5" carbon fiber dual-wall
• Sound Profile: Street (balanced tone)
• Drivetrain: AWD

Included Components

• 1x 2.5" T304 stainless steel axle-back exhaust assembly
• 2x 3.5" carbon fiber dual-wall exhaust tips
• Clamps and installation hardware

Product Description

The MBRP S48013CF Axle-Back Exhaust System is engineered specifically for Subaru Impreza WRX and WRX STI models from 2011 through 2014, as well as 2015-2021 WRX and WRX STI with 2.0- and 2.5-liter engines. Constructed from mandrel-bent T304 stainless steel, this axle-back system enhances exhaust flow over the factory setup while giving your Subaru a deeper and more engaging street-tuned exhaust note without excessive drone. The dual split rear exit design paired with carbon fiber dual-wall 3.5" tips delivers a bold, performance-oriented look at the back of your vehicle.

Installation is straightforward with a direct bolt-on design that uses your vehicle's OEM hangers and mounting points, and no cutting is required. The Street sound profile is tuned to balance spirited performance tone with everyday drivability. Built from premium T304 stainless steel and backed by a **lifetime manufacturer warranty**, the S48013CF offers long-term durability and an appealing upgrade in both sound and style for WRX and WRX STI owners.