Super Turbo Muffler

Code No. 31029-AN004



Clear Exhaust Sound from the SR Engine!
SR engine's unique engine sound was completely eliminated, and clear high tone engine sound is made instead.  This sound is well-matched with Silvia's flowing appearance.  Its silencing effect is suitable for hard tuning. It also guarantees comfortable street drive.






Cert. No. 03S15741
Vehicle SILVIA
Model S15
Engine SR20DET
Model Year 99/01 - 02/08
Shape of muffler SSR
(Super Turbo Muffler)
Main material S304
Diameter of tip 124
Diameter of center pipe 75 (*1)
Close noise level Stock 89
HKS 91
About road clearance(*2) Clearance 124mm
Portion of the kit Center silencer
Product Weight


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.