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HKS is a legend on the JDM car scene. Today this brand is one of the leading manufacturers of performance automotive parts, with a great selection of exhaust systems, oil coolers, fuel pressure regulators, and many other products.

If you are looking to improve the performance of your Subaru WRX and get a deep exhaust sound, HKS complete exhaust system will be your best bet. It's designed as a direct replacement with your factory components and comes with all necessary hardware.

HKS® - Hi-Power Spec-L Series™ 304 SS Cat-Back Exhaust System with Split Rear Exit


  • Exhaust System Type: Cat-Back
  • Exhaust Tubing Material: 304 SS
  • Exit Location: Split Rear
  • Main Tubing Diameter: 2.56" to 1.97"
  • Exhaust System Sound: Aggressive / Loud
  • Tip Quantity: 2
  • Tip Material: Carbon Fiber
  • Tip Outlet Diameter: 3.7"
  • Pieces: 4
  • Sound Level Stock: 74 dB
  • Sound Level HKS: 82 dB
  • Idle Sound Level Stock: 54 dB
  • Idle Sound Level HKS: 57 dB
View the full list of HKS Exhaust Products for Subaru WRX - Auto Parts & Accessories | Car, Truck, SUV, Jeep
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