silent Hi-Power
IMPREZA WRX STI
IMPREZA WRX STI GH-GDB

Code No. 31019-AF023

 

 

 

 

 

 

Cert. No. 03S04465
Vehicle IMPREZA WRX STI
Model GDB
Engine EJ20(TURBO)
Model Year 00/10 - 04/05
Shape of muffler HP (TYPE-S)
(silent Hi-Power)
Main material S304
Diameter of tip 120
Diameter of center pipe 75 (*1)
Close noise level Stock 82
HKS 90
About road clearance(*2) Clearance 135mm
Portion of the kit Center silencer
Remarks
Product Weight
Remarks

For applied model A-D. Fits to stock rear under skirt. Fits to "SPEC-C".

 

 
 
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.

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HKS