Hi-Power409 IMPREZA Explanation of the product Application chart

Code No. 31006-AF009

Cert. No. 03S09539

Model GC8
Engine EJ20(TURBO)
Model Year 92/11 - 99/08
Shape of muffler HP (Hi-Power409)
Main material S409
Diameter of tip 120
Diameter of center pipe 75(*1)
Close noise level Stock 87
HKS 98
About road clearance(*2) Clearance 105mm
Portion of the kit Main pipe
Remarks Data with low down suspension.
Product Weight


Fits to 2 door. For applied model G.


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.