HKS Hi-Power Exhaust Subaru WRX / STI 2002-2007
HKS Hi-Power Exhaust Subaru WRX / STI 2002-2007
HKS Hi-Power Exhaust Subaru WRX / STI 2002-2007

HKS Hi-Power Exhaust Subaru WRX / STI 2002-2007

3106-EX008

Regular price$535.50
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Passionately crafted and inspired by the endurance and GT racing scene in Japan, HKS has developed their Hi-Power Exhaust system for both turbocharged and naturally aspirated vehicles. This new design incorporates a race-inspired offset muffler and piping, resulting in a smoother and less restrictive exhaust flow. With fewer bends and a straighter path, high-PRM power gains are achieved. Turbocharged engines experience improved mid-range boost response and high-RPM power, while naturally aspirated vehicles benefit from increased exhaust flow capacity as engine tuning is pushed to the limit. Some models are even available in a Silent Hi-Power version with an inner silencer built into the muffler. Utilizing SUS304 stainless steel, the Hi-Power Exhaust provides similar performance enhancements as the renowned Drager Exhaust systems. Upgrade your vehicle's performance by eliminating the restrictions of the OEM exhaust design with HKS's premium exhaust system.

  • Larger 3" piping diameter and smooth bends limit turbulence and restriction under acceleration
  • 304 stainless steel materials
  • Minimal bends in the design
  • Increase in both horsepower and torque
  • Improved throttle response
  • Reduced turbo lag
  • Deep tone under idle with an aggressive tone under acceleration
  • Exhaust hangers welded onto OEM locations
  • Includes new gaskets and hardware making this exhaust system ready for the installation

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