HKS Legamax Premium Cat-Back Exhaust | 2015+ Subaru WRX STI

Overview

The HKS Legamax Premium is a premium stainless steel cat-back exhaust system for the 2015+ Subaru WRX STI (US spec). Engineered for a refined exhaust note with minimal noise increase over stock — performance and daily drivability in one package.

Specifications

• Fitment: 2015+ Subaru WRX STI (US)
• System type: LM (Legamax Premium)
• Main material: SUS304 stainless steel
• Tip diameter: 90mm (Left & Right)
• Center pipe diameter: 75–60mm x 2
• Close noise level — Stock: 82 dB / HKS: 83 dB
• Product weight: 150.8 lbs

Installation Notes

• Professional installation recommended
• Road clearance data based on stock suspension height
• Verify fitment with your specific chassis and build before ordering