HKS Hi-Power SPEC-L II Subaru Impreza WRX STI GRB/GRF - 31019-AF127

The HKS Hi-Power SPEC-L II, part number 31019-AF127, is a catback exhaust for the Subaru Impreza WRX STI (GRB and GRF).

• Part number: 31019-AF127
• Main material: S304 stainless steel
• Tip diameter: 94 mm, left and right
• Center pipe diameter: 65-50 x 2 mm
• Weight: 9.4 kg (51% lighter than stock)
• Close noise level: GRB 90 dB (stock 80 dB), GRF 91 dB (stock 80 dB), measured at idle
• Road clearance: 156 mm (lowest point is the center silencer, stock suspension)
• Certification No.: JQR30134144
• Compatible with vehicles with the STI exhaust garnish

Fitment

• Subaru Impreza WRX STI (CBA-GRB), EJ20 Turbo, 2007/10 to 2014/08. (Source: HKS Japan)
• Subaru Impreza WRX STI (CBA-GRF), EJ25 Turbo, 2009/02 to 2014/08. (Source: HKS Japan)

Resources

• HKS Japan product page (GRB)
• HKS Japan product page (GRF)
• HKS Japan Hi-Power SPEC-L II overview

Contact us if you are unsure of fitment or Size HERE