HKS Hi-Power Cat-Back Exhaust | 08-14 WRX/STI Sedan

Overview

The HKS Hi-Power muffler returns with its signature concept — high power, high performance, and a resonant, stylish exhaust note. Engineered to meet JASMA sound standards while delivering real performance gains from stock to high-output turbocharged builds.

Features

• Fitment: Subaru Impreza WRX STI
• HKS Hi-Power series — JASMA compliant
• SUS304 high-quality stainless-steel construction
• Resonant sound character with stylish tip finish
• Compatible with stock to upgraded turbo builds

Installation Notes

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