LEGAMAX IMPREZA Explanation of the product Application chart

Code No. 31021-AF004

Cert. No. 03S00919

Model GDA
Engine EJ20(TURBO)
Model Year 00/08 - 07/06
Shape of muffler LM-B (LEGAMAX)
Main material S304(*2)
Diameter of tip 105 OVAL
Diameter of center pipe 75(*3)
Close noise level Stock 82
HKS 88
About road clearance(*4) Clearance 150mm
Portion of the kit Main pipe
Product Weight


Make to order item
For applied model A-F.


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.