HKS Hi-Power SPEC-L II Full Exhaust System:

Compatible with

  • Engine: EJ207 (Turbo)
  • Year: 2014 Up
  • Model: WRX STI
  • Chassis: VAB


  • Material: SUS304 High quality stainless with titanium tail tip cover
  • Tip O.D.: 94 L & R
  • Pipe Size: 65-50 x 2
  • Consist of 4
  • Close Sound Level: Stock 74 / HKS 82
  • Idling Sound Level: Stock 54 / HKS 57
  • Tip Cover Size: 94 L=48
  • Diameter of Center Pipe: 65-50 x 2 *Diameter of center pipe is the portion that has the largest diameter. (Excluding silencer and tip.)
    It is the condition with stock suspension.
  • Weight: 10.4kg (54% Lighter Than Stock)

About Road Clearance: 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.

  • Clearance: 120mm
  • Portion of the kit: Center Silencer

Note: There is no vehicle height of the change in accordance with the present product attached.

Kit Includes:

  • Main / Mid Pipe / Hook / Bracket / Stay / Bolts Nuts Washers (Please See the picture)


  • 2 pcs required.

HKS Hi Power Spec L-II

Weight reduction, low exhaust pressure, improved drivability and exhaust efficiency.

  • As light as Titanium: HKS has achieved a weight reduction comparable to the titanium exhaust system by utilizing ultra lightweight components
    for each part's material for pipes and silencers. The weight of the exhaust compared to factory one is reduced from about 30% up to 60%,
    which leads to improved driving performance.
  • Improved exhaust efficiency with a straight through structure: A straight through structure greatly improves exhaust efficiency.
    HKS also design exhaust for a sporty and comfortable sound based on each vehicle individual specifications.

Please contact us if you are not sure