Exhaust› Exhaust Pipes, Systems and Components
HKS
HKS LEGAMAX Premium HONDA CIVIC HATCHBACK FK7
SKU: H005 31021-AH004
Moderate — 2–4 hours
Description
Part #: 31021-AH004
MIA's Description
Constructed with 'Advantex' glass wool for sound dampening, it aims to provide an aggressive yet refined sound. The LEGAMAX Premium is built with minimal restrictions to enhance exhaust flow.
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | HKS |
| Part Number | H005 31021-AH004 |
Videos
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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