LEGAMAX Premium pairs an S304 stainless steel body with dual 90mm titanium tail tips, one exiting each side of the rear valance. The center pipe steps from 50mm into twin 45mm runs. HKS lists the system at 8.9 kg and records close proximity noise of 86 dB against 77 dB stock, with 195mm minimum ground clearance measured at the tip on factory suspension. Certification is JQR10171137. HKS also confirms fitment on 3BA-GT6 cars built from October 2020 and on the STI Sport.
| Type | LEGAMAX Premium Cat-Back Exhaust System |
| Material | S304 stainless steel with titanium tail tips |
| Size | Center pipe 50mm to 45mm x 2; tail tips 90mm x 2 |
| Quantity | 1 (complete cat-back system) |
| Part Number | 32018-AF014 |
This part fits:
| Year | Make | Model | Submodel |
| 2016-2023 | Subaru | Impreza Sport | GT6 (FB20) |
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