Click to zoom in
SKU: 31021-BH003 | UPC: 4957266923658
HKS LEGAMAX Premium Exhaust System 2017-2021 Honda Civic Type R FK8
HKS LEGAMAX Premium exhaust system bolts directly onto 2017-2021 Honda Civic Type R FK8 chassis replacing the factory cat-back section. This full cat-back design uses titanium silencer and SUS304 piping for 5.5kg weight savings over stock delivering deeper exhaust note and improved throttle response. Engineered for daily driving and track use it enhances mid-range torque and horsepower through optimized flow.
Key Features
- Lightweight Titanium Silencer: 12.5kg total system weight reduces unsprung mass by 30 percent versus 18kg stock improving handling and acceleration
- SUS304 Stainless Steel Piping: Mandrel-bent 60-80mm diameter pipes with dual 120mm outlets resist corrosion and promote smooth exhaust flow
- Jet Suction Fin Technology: Internal fins reduce backpressure and turbulence for consistent power delivery across RPM range
- Deep Aggressive Sound: Tuned resonance chamber produces low-frequency tone at 92dB idle and 105dB full throttle without drone
- Direct Bolt-On Fitment: Uses factory mounting points and hangers for hassle-free installation on FK8 chassis
Product Notes
- System is non-resonated design for maximum flow and sound
- Clean with mild soap and water avoid abrasive cleaners to maintain finish
- Securely packaged in HKS original box measures 55 x 12 x 12 inches
Installation Notes
- Professional installation recommended.
- Bolt-on replacement requires no welding or cutting of factory components
- Includes all gaskets clamps and hardware for complete stock replacement
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | Honda | Civic Type R | FK8 |
Why Choose HKS?
- 50 years of JDM tuning expertise with motorsport-proven designs
- High-grade materials ensure long-term durability under racing conditions
- Precision engineering from Japanese factory for exact OEM-like fit
Frequently Asked Questions
-
Q: Will this fit all 2017-2021 Honda Civic Type R models?
A: Yes it fits all FK8 chassis Civic Type R models worldwide including USDM JDM and Euro spec direct bolt-on with no modifications -
Q: What materials are used in construction?
A: Piping is SUS304 stainless steel muffler case and tips are full titanium for heat resistance and weight reduction -
Q: What is the warranty coverage?
A: HKS provides lifetime warranty against manufacturing defects when installed properly by certified shop
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Original HKS box 55 x 12 x 12 inches
- Weight: 27.5 lbs product 35 lbs shipping
Catback
A catback exhaust system replaces everything from the catalytic converter back, covering the mid pipe, muffler, and tailpipe section in one bolt on upgrade. This collection covers catback systems for trucks, Jeeps, muscle cars, imports, and performance SUVs, giving you a straightforward way to improve sound, exhaust flow, and rear end styling without touching the factory catalytic converters or front pipe. Catback systems are available in stainless steel and titanium construction, with dual rear exit, single exit, and quad tip configurations, and a range of sound levels from mild touring tone to aggressive track character. Whether you want a deeper daily driver sound or a full track ready exhaust note, you will find a matched system for your platform here. What This Category Covers This collection includes complete catback exhaust systems, cat-back kits, dual rear exit systems, axle back adjacent catback upgrades, stainless steel and titanium exhaust systems, and street, tourin...
View Catback Products
Exhaust Systems
Performance exhaust systems for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop cat-back systems, axle-back systems, turbo-back systems, headers, downpipes, mid-pipes, mufflers, resonators, catalytic converters, exhaust tips, exhaust valve controllers, oxygen sensors, exhaust brakes, and motorcycle and powersports exhausts for Mustang, Camaro, Challenger, Corvette, Silverado, and Super Duty platforms. Every product is filterable by exhaust position, material, pipe diameter, and vehicle year, make, model, and trim so the correct fitment ships the first time. Black Ops Auto Works carries 7,441 exhaust SKUs across every position of the exhaust system. What This Category Covers Exhaust upgrades change sound, appearance, and in some cases power. Exhaust fitment depends on engine, drivetrain, and factory exit position, so confirm the exact platform before ordering any exhaust component. Exhaust Position Cat-back, axle-back, turbo-back, and header-back systems e...
View Exhaust Systems Products
HKS
HKS Japanese performance parts for Toyota Supra, Nissan Skyline GT-R, Nissan Silvia and 240SX, Subaru WRX and STI, and other JDM platforms are stocked at Black Ops Auto Works. Shop turbo kits, cat back exhaust systems, coilovers, blow off valves, and engine management upgrades for RB26DETT, SR20DET, 2JZ-GTE, and EJ series turbocharged engines. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 607 HKS SKUs across forced induction, exhaust, suspension, and engine management categories. What This Collection Covers HKS has built its reputation on Japanese sport compact and sports car performance since the late 1970s, developing turbo kits, exhaust systems, and suspension for platforms including the Toyota Supra 2JZ-GTE, Nissan Skyline GT-R RB26DETT, Nissan Silvia and 240SX SR20DET, and Subaru WRX and STI EJ and FA series engines. This collection brings together fitment verified HKS pa...
View HKS Products