HKS Legamax Premium Catback Exhaust for Subaru Forester SJG Turbo
The HKS Legamax Premium is a high-quality catback exhaust system designed to give the Subaru Forester SJG Turbo a deeper, sportier tone without excessive noise. Perfect if you want more character from your FA20 Turbo while keeping daily drivability comfortable.
The Legamax Premium series focuses on balanced flow, refined sound and premium finish. The result is improved exhaust tone, clean fitment and the well-known Japanese build quality HKS is famous for.
Technical Specifications
- Manufacturer: HKS
- Model: Legamax Premium
- Part number: 31021-AF023
- Pipe size: 65–54 mm (x2)
- Tail diameter: 100 mm (x2)
- Material: S304 stainless steel
- Tail type: RS
- Pieces: 4
- Type: Catback system
The sound profile is refined and sporty — calm at cruising speeds, noticeably stronger under load compared to the factory system. A solid choice for stock or lightly tuned FA20 Turbo setups.
Compatibility
Subaru Forester SJG Turbo (FA20 Turbo)




