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SKU: 31021-AH004 | UPC: 4957266923740
HKS LEGAMAX Premium Exhaust System 2017-2021 Honda Civic Hatchback FK7
The HKS Legamax Premium cat-back exhaust system fits 2017-2021 Honda Civic Hatchback FK7 models with 1.5L turbo L15B7 engine. It replaces the factory setup from the catalytic converter rearward using mandrel-bent SUS304 stainless steel piping for smoother flow higher power output and torque gains. Drivers gain quicker throttle response and a refined deep exhaust tone across all RPM ranges.
Key Features
- SUS304 Stainless Steel Build: Corrosion-resistant piping and muffler casing ensure long-term durability lightweight strength and consistent sound development.
- Optimized Pipe Diameters: Front φ60.6mm center φ50.8-60.6mm dual rear φ101mm oval dual outlets minimize backpressure for measurable horsepower increases.
- Lightweight Design: System weighs 15.5kg versus stock 16.0kg improving power-to-weight ratio without sacrificing structural integrity.
- 14.5L Rear Silencer Volume: Tuned chamber delivers aggressive yet refined tone with low drone on highway drives and strong presence under acceleration.
- Bolt-On Installation: Direct fit precision-engineered hangers and flanges match OEM mounting points for easy replacement.
Product Notes
- Verify catalytic converter compatibility prior to installation.
- Clean exhaust tips regularly to maintain polished finish.
- Large components require careful handling during unpacking.
Installation Notes
- Professional installation recommended.
- Use penetrating oil on stock hangers for removal.
- Includes all necessary gaskets clamps and hardware.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | Honda | Civic Hatchback | LX 1.5L Turbo |
| 2017-2021 | Honda | Civic Hatchback | Sport 1.5L Turbo |
| 2017-2021 | Honda | Civic Hatchback | EX-L 1.5L Turbo |
| 2017-2021 | Honda | Civic Hatchback | Sport Touring 1.5L Turbo |
Why Choose HKS?
- Decades of Japanese motorsport engineering heritage.
- Street and track-proven performance components.
- Exact OEM-level fitment with dyno-tested gains.
Frequently Asked Questions
-
Q: Will this fit 2016 Civic Hatchback models?
A: Designed for 2017-2021 FK7 chassis with L15B7 engine early 2016 Japan FC1 models may require verification. -
Q: What finish covers the tips and piping?
A: Polished SUS304 stainless steel throughout resists rust provides mirror-like appearance. -
Q: What warranty covers this exhaust?
A: HKS manufacturer defect warranty applies with proof of professional installation.
Shipping & Handling
- Method: Ground shipping UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Oversized box 55 x 14 x 14 inches (140 x 35 x 35 cm)
- Weight: 34 lbs (15.5kg product) 45 lbs (20kg shipping)
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