• Better mid-range boost response
  • High RPM power gains
  • Resonated midpipe
  • Angled muffler
  • Non-tapering 3 inch piping
  • Direct Bolt on Exhaust
  • available in two variations, 1. Standard Hi-Power: mild steel piping and a stainless steel muffler 2. Carbon Titanium: Stainless steel piping and carbon-fiber wrapped muffler shell, with titanium tip.

 
HKS WRX STi Hi-Power Catback Exhaust
HKS WRX STi Hi-Power Catback Exhaust
From: $518.75