Cat-back Milltek Subaru WRX STI 2.5T 300hp 2014-2021 - With Primary Muffler - Quad GT100 Blued Titanium Tips

Milltek Sport Exhaust System for Subaru WRX STI

Is the factory sound of your Subaru WRX STI leaving you wanting more? This Milltek Sport stainless steel exhaust system is the most requested upgrade among owners: more presence, a true sound signature, and build quality that lasts.

Technical specifications

• Milltek part number: SSXSB53
• Part type: Exhaust system
• Details: With primary muffler, quad GT100 blued titanium outlets
• Tube diameter: 76.2 mm (3 inch)
• Outlets: 100 mm GT outlet
• Tip finish: blued titanium (heat-effect)
• 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?

Milltek Sport designs and manufactures its exhausts in England, using mandrel-bent tubing to preserve the inner diameter and a fit developed on the vehicle. The result: a clean installation with no modifications required, and a sound tuned to remain pleasant for daily driving.