Part number 31021-BH002 is now 31021-AH004

Cert. No.

Vehicle CIVIC
Model FK7
Engine L15B

Model Year 16/** –

Shape of muffler Ti (Dual) (LEGAMAX Premium)

Main material SUS304(*2)

Diameter of tip 97

Diameter of center pipe  60 (50)(*3)

Close noise level Stock 80 HKS 87

About road clearance(*4)

Clearance 165mm

Portion of the kit

Mid Pipe Silencer

Remarks

-5 mm from stock

Product Weight 28 Kg

Remarks

Only for US model

About HKS muffler

*1: About silencer shell type of Silent Hi-Power
TYPE-S/Oval silencer for noise reduction.
TYPE-H/Round silencer for performance.

*2: Main material in the component figure.

SUS304/High quality stainless steel.
SUH409/Stainless steel commonly used for stock exhaust.

*3: 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.

*4: 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.

Please note: Exhaust comes in two big boxes. Please allow for extra delivery charges