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GReddy Revolution RS Catback Exhaust for 2002-2007 Subaru WRX/STI

The GReddy Revolution RS Exhaust system is engineered to enhance performance and sound for the 2002-2007 Subaru WRX and STI. Featuring a full 76mm (3.0 inch) diameter non-tapered piping design, this catback exhaust reduces back pressure and turbo lag, resulting in increased throttle response and horsepower. Constructed from high-quality TIG-welded 304 stainless steel, it offers durability and a lightweight design without compromising strength.

This system includes a resonator to refine sound quality, producing an aggressive yet refined exhaust note measured at 102 dB(a). Dyno tests demonstrate gains of approximately 8 horsepower and 6 ft-lbs of torque on a completely stock vehicle, with potential for further improvements when combined with other aftermarket modifications and tuning.

  • Full 76mm (3.0 inch) diameter non-tapered piping
  • High-quality TIG-welded 304 stainless steel construction
  • Includes resonator for sound refinement
  • 115mm (4.5 inch) tri-mounted exhaust tip with optional silencer and burnt titanium tip available
  • Reduces back pressure and turbo lag
  • Lightweight design, approximately 8 lbs lighter than stock
  • Limited lifetime warranty
Make Model Year Type
Subaru Impreza 2002 WRX
Subaru Impreza 2003 WRX
Subaru Impreza 2004 WRX
Subaru Impreza 2004 WRX STI
Subaru Impreza 2005 WRX
Subaru Impreza 2005 WRX STI
Subaru Impreza 2006 WRX
Subaru Impreza 2006 WRX STI
Subaru Impreza 2007 WRX
Subaru Impreza 2007 WRX STI
Greddy manufactures exhaust systems, intakes, turbochargers, cooling components, drivetrain components, electronics, and suspension systems for the sport compact market. Greddy’s long history of developing performance parts for the sport compact market has established them as one of the most well-known performance brands out of Japan. Their large variety of product and extensive turbocharger range are used throughout the sport compact industry.
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