Code No. 31021-BH001



Full Straight Structure & Low Exhaust Pressure!
Full straight structure with no restriction and pipe layout for efficient exhaust gas flow inside the silencer achieves a 50% reduction in the exhaust pressure compared to the stock exhaust system.

Sporty Rear View with Double-sided Dual Titanium Exhaust Tips
Arranging the titanium dual exhaust tips in both sides instead of stock hidden tips
transforms the rear view into sporty appearance.







Cert. No.
Vehicle CIVIC
Model FC3
Engine L15B
Model Year 16/** - 
Shape of muffler Ti (Dual)
(LEGAMAX Premium)
Main material S304
Diameter of tip 75
Diameter of center pipe 60 (50) (*1)
Close noise level Stock 71
HKS 84
About road clearance(*2) Clearance 192mm
Portion of the kit Mid Pipe Silencer
Remarks Same as stock
Product Weight 19.0 kg

Only for US model.


About HKS muffler

*1: About center pipe
Diameter of center pipe is the portion that has the largest diameter. (Excluding silencer and tip.) It is the condition with stock suspension.

*2: Minimum road clearance between HKS muffler (Any parts included in the kit) and road surface. Therefore, it may be different from actual road clearance of the vehicle.
The data is basically the condition with stock suspension. However, please understand that some items have data with low down spring or ride height adjustable suspension kit.

Caution: Hook, bracket, stay may be changed without prior notice.

★ Exhaust noise level at idle.