HKS Hi-Power Cat-Back Exhaust | 2015-2021 Subaru WRX/STI

Overview

The HKS Hi-Power cat-back exhaust (part #31006-BF001) is engineered for the 2015–2021 Subaru WRX and STI (VA chassis). Featuring a titanium-style HP muffler and SUS304 stainless steel construction, it delivers the signature HKS exhaust note with a refined, performance-focused character.

Specifications

• Part number: 31006-BF001
• Fitment: 2015–2021 Subaru WRX / STI (Chassis: VAG/VAF)
• Engine: FA20 Turbo / EJ25 Turbo
• Muffler style: Hi-Power (Titan)
• Material: SUS304 stainless steel
• Tips: Dual (2)
• Weight: 53.85 lbs

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