Upgrade your 10th Gen Honda Civic Hatchback Sport with the HKS LEGAMAX Premium catback exhaust system. HKS part number 31021-AH004 is designed for FK7 Civic Hatchback applications and delivers a refined performance exhaust tone while keeping daily driving comfort in mind.
The LEGAMAX Premium system uses a full straight structure to help reduce exhaust pressure compared to the factory exhaust system. HKS designed this exhaust to create a sporty sound while reducing unpleasant interior resonance, making it a strong option for street-driven Civic Hatchback builds.
This system features dual titanium-style exhaust tips, S304 stainless steel construction, and a mid-pipe silencer. It is intended for compatible FK7 Civic Hatchback applications only.
Clearance / Open Box Note
This is a clearance open box item. Only 1 available at this price. The exhaust may have minor scratches from storage or handling.
Local Pickup Only
This item is available for local pickup in Riviera Beach, Florida only. No shipping.
Features
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Genuine HKS LEGAMAX Premium catback exhaust
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HKS part number: 31021-AH004
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Fits compatible Honda Civic FK7 Hatchback Sport applications
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Designed for L15C / 1.5L turbo Civic Hatchback models
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Dual titanium-style exhaust tips
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Main material: S304 stainless steel
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Center pipe diameter: 60 x 2
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HKS close noise level: 91 dB
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Stock close noise level reference: 84 dB
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Listed HKS road clearance: 140mm
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Mid-pipe silencer included
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Refined sporty exhaust tone
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Designed to reduce unpleasant exhaust resonance
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Catback exhaust system
Vehicle Fitment
Fits select:
2017-2021 Honda Civic Hatchback Sport FK7 1.5T
Important Fitment Note
This exhaust is for FK7 Civic Hatchback applications only. It is not intended for Civic Sedan or Civic Coupe models. Only work with models without spare tire.
Fitment should be confirmed before purchase. Your vehicle’s trim, rear bumper, spare tire well / underbody layout, exhaust hanger location, and rear valance setup may affect installation. Modification may be required depending on your application.
Clearance Sale Terms
This is a clearance open box item. Only 1 available at this price. No returns or exchanges.
What’s Included
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HKS LEGAMAX Premium catback exhaust system
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Part number: 31021-AH004
Proposition 65 Warnings.
Cancer and Reproductive Harm. See details below.
Items that are not CARB Legal will not be sold and ship to California or CARB states.
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