HKS LEGAMAX Premium Subaru Impreza WRX STI GVB/GVF - 31021-AF022

The HKS LEGAMAX Premium, part number 31021-AF022, is a muffler with center pipe set for the Subaru Impreza WRX STI (GVB and GVF) with the EJ20 or EJ25 turbo engine.

• Part number: 31021-AF022
• Muffler shape: RM (Titan)
• Main material: S304
• Tip diameter: 90 x 2 mm (left and right)
• Center pipe diameter: 65 to 54 x 2 mm
• Kit remark: center pipe set
• Close noise level (idle): GVB stock L76 R76, HKS L86 R85; GVF stock L78 R78, HKS L86 R88 dB
• Road clearance: 141 mm (center silencer)
• GVB remark: compatible with tS, tS Type RA and SPEC C; not compatible with S206
• Certification No.: JQR50114106

Fitment

• Subaru Impreza WRX STI (CBA-GVB), EJ20 turbo, 2010/07 to 2014/08. (Source: HKS Japan)
• Subaru Impreza WRX STI (CBA-GVF), EJ25 turbo, 2010/07 to 2014/08. (Source: HKS Japan)

Resources

• HKS Japan product page (GVB)
• HKS Japan product page (GVF)
• HKS Japan LEGAMAX Premium overview

Contact us if you are unsure of fitment or Size HERE