HKS Silent Hi-Power Subaru Impreza WRX STI GRF - 31019-AF026

The HKS Silent Hi-Power, part number 31019-AF026, is a catback exhaust for the Subaru Impreza WRX STI (CBA-GRF) with the EJ25 turbo engine.

• Part number: 31019-AF026
• Muffler shape: HP SC
• Main material: S304 stainless steel
• Tip diameter: 94 mm, left and right
• Center pipe diameter: 65 mm
• Close noise level: left 90 dB, right 91 dB (stock left 81 dB, right 81 dB), measured at idle
• Road clearance: 156 mm (lowest point is the main silencer, stock suspension)
• Certification No.: JQR30093164
• Fits vehicles with the stock option STI exhaust finisher

Fitment

• Subaru Impreza WRX STI (CBA-GRF), EJ25 Turbo, 2009/02 to 2014/08. (Source: HKS Japan)

Resources

• HKS Japan product page
• HKS Japan silent Hi-Power overview

Contact us if you are unsure of fitment or Size HERE