Hi-Power SPEC-L II WRX STI Explanation of the product Application chart

Code No. 31019-AF130

Cert. No. JQR30144245

Vehicle WRX STI
Model VAB
Engine EJ20(TURBO)
Model Year 14/08 - 
Shape of muffler HP (Hi-Power SPEC-L II)
Main material S304
Diameter of tip 94 L&R
Diameter of center pipe 65-50 x 2(*1)
Close noise level Stock 78
HKS 89
About road clearance(*2) Clearance 125mm
Portion of the kit Center pipe
Product Weight


Tail cover size:φ94 L=48, OPTION Tail Requirement (pcs):2
Main + Center pipe  * Weight: 10.4kg (54% lighter compared to stock)  "S207" is unconfirmed.


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.