Cat-Back Milltek Subaru WRX STI 2.5T 300hp 2014-2021 - With Primary Muffler - Quad GT100 Cerakote Black Outlets

Milltek Sport exhaust system for Subaru WRX STI

Replacing the factory system with a Milltek Sport exhaust brings back the character that the engine of your Subaru WRX STI is held back by from the factory: a rounder sound at idle that opens up cleanly through the revs, without gimmicks.

Technical specifications

• Milltek part number: SSXSB50
• Part type: Exhaust system
• Details: With primary muffler, quad GT100 black Cerakote outlets
• Tube diameter: 76.2 mm (3 inch)
• Outlets: 4 GT100 outlets of 100 mm
• Tip finish: black Cerakote (high-temperature ceramic)
• Installation information: Louder version
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (UK)

Compatible vehicles

• Subaru WRX STI 2.5T 300 hp (2014-2021)

Not sure about compatibility with your vehicle? Contact us with your chassis number (VIN) before ordering.

Most frequently asked questions

• Fitment: the system uses the original mounting points. A repair shop typically fits it in one to two hours.

Why choose Milltek Sport?

Owner feedback most often highlights the fit quality and a deep sound that is present but never harsh. This is the Milltek Sport signature, from the British manufacturer specializing in stainless steel exhausts.