HKS Super Turbo Muffler Cat-Back Exhaust | 2015+ Subaru WRX STI

Overview

The HKS Super Turbo Muffler is a high-dimensional cat-back exhaust system engineered for the Subaru WRX STI. Designed to deliver a unique, engine-specific exhaust note while meeting JASMA sound standards — effective from stock builds through high-output turbocharged applications.

Features

• Fitment: Subaru WRX STI
• HKS Super Turbo Muffler series
• JASMA compliant exhaust sound
• Unique exhaust note tuned specifically for the engine character
• Effective on stock to high-performance vehicles with upgraded turbines
• SUS304 high-quality stainless steel construction

Installation Notes

• Professional installation recommended
• Road clearance data based on stock suspension height — may vary with lowering springs or coilovers
• Verify fitment with your specific chassis and build before ordering