Agency Power Valved Exhaust System - 991 | GT3/RS (NLA)

Part# AP-991GT3-170B

Driving the Porsche GT3 is extremely fun with its high revving naturally aspirated power band. However like other Porsche cars, it just does not have that aggressive sports car sound. Especially one for a car that is supposed to be oriented for the track. This is why we have developed the new Agency Power Valved Exhaust System, which is a direct replacement for the factory muffler.

This Agency Power Valve Exhaust muffler features precision mandrel bent tubes, T303 high quality stainless steel construction, beautiful TIG welds and integrated exhaust valves that allow you to change the sound characteristics of the exhaust with a push of a button.

  • Race inspired exhaust note
  • Improved horsepower and torque
  • Integrated exhaust valves
  • Manufactured using high quality T304 stainless steel
  • TIG welded to perfection
  • Direct bolt-on installation
  • Polished to a mirror finish

  • Center Muffler with Vacuum Valves
  • Connecting Pipes to OEM Cats or Race Headers
  • Available with optional Matte Black Tips or Polished Tips

  • Porsche GT3 / GT3RS / GT3RS 4.0 - 14-16

  • All Agency Power products come with a LIMITED LIFETIME warranty when you fill out this form HERE.

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