MBRP S4800304 3" Cat-Back Exhaust for 2011-2021 Subaru WRX/STI 2.0L/2.5L

Vehicle Fitment

• 2011-2014 Subaru Impreza WRX/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

• Cat-back exhaust system engineered for improved exhaust flow and acoustic character
• 3" mandrel-bent T304 stainless steel main tubing for strength and corrosion resistance
• Dual split rear exit design for aggressive rear stance and balanced flow
• Street sound profile tuned for deeper tone without excessive drone on long drives
• Polished single-wall 3.5" stainless steel exhaust tips for premium looks
• Bolt-on installation using OEM hangers - no cutting required
• Armor Pro Series construction for durability in extreme conditions
• Lifetime manufacturer warranty on materials and workmanship

Specifications

• Part Number: S4800304
• System Type: Cat-back exhaust
• Main Pipe Diameter: 3"
• Material: T304 stainless steel
• Exit Style: Dual split rear exit
• Tip Diameter: 3.5" (single-wall)
• Sound Profile: Street profile (moderate acoustic enhancement)
• Fitment: Subaru WRX/WRX STI & Impreza WRX 2011-2021

Included Components

• 1x 3" T304 stainless steel cat-back exhaust assembly
• 2x 3.5" polished stainless steel exhaust tips
• Clamps and installation hardware

Product Description

The MBRP S4800304 Cat-Back Exhaust System is designed for a wide range of Subaru performance cars, including 2011-2014 Impreza WRX/WRX STI and 2015-2021 WRX and WRX STI models with 2.0- and 2.5-liter horizontally opposed engines. Constructed from mandrel-bent T304 stainless steel, this system improves exhaust flow over the factory setup while providing a richer, deeper street-tuned sound profile that enhances the driving experience without excessive cabin drone. The dual split rear exit and polished 3.5" tips give your Subaru a performance-oriented appearance at the back.

Installation is bolt-on and uses your vehicle's OEM hangers and mounting points, requiring no cutting. The system's Armor Pro Series stainless steel construction offers excellent corrosion resistance and durability, backed by a lifetime manufacturer warranty. Whether you're cruising on the highway or pushing your Subaru hard on backroads, the S4800304 delivers balanced performance gains, improved exhaust flow, and an engaging acoustic presence tailored for enthusiasts.