silent Hi-Power

Code No. 31019-AN017






Cert. No. 98-R00869
Vehicle SILVIA
Model S15
Engine SR20DET
Model Year 99/01 - 02/08
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 93
About road clearance(*2) Clearance 90mm
Portion of the kit Center silencer
Remarks Data with height adjustable suspension kit.
Product Weight

Make to order item
Not tested for AT. Fits to stock tail end protector. Not tested for HI-CAS.


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.