silent Hi-Power

Code No. 31019-AF022






Cert. No. 98-R00804
Model GC8
Engine EJ20(TURBO)
Model Year 92/11 - 00/07
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 89
HKS 91
About road clearance(*2) Clearance 135mm
Portion of the kit
Product Weight

Fits to 2 door. Not tested for stock rear bumper skirt.


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.