• 4.5 bellmouth downpipe
  • 90% of the HP gains and only 10% of the sound
  • Gain up to 25 ft. lbs. and 25 whp
  • With ECU tuning HP gains are 50-60 ft. lbs and 30-40 whp
  • Includes: huge free flowing 4.5 inch bellmouth downpipe,high flow catalytic converter

 
TurboXS WRX STi Stealthback Catted Exhaust
TurboXS WRX STi Stealthback Catted Exhaust
From: $454.50