ARK Performance R-Spec Test Pipes - Infiniti G37/Q40/Q50/Q60 & Nissan 370Z

$ 699.00
$ 489.30
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The ARK R-Spec Test Pipes are race spec designed cat delete pipes to increase your horsepower and torque. Each test pipe is constructed with polished SUS304 stainless steel, thicker piping, and two O2 bungs. These test pipes utilize our Helmholtz style reservoir chamber technology to maintain smooth flow, a deeper tone with reduced drone, hiss, and rasp. ARK R-Spec test pipes are the perfect combination with any exhaust system you may have. . 


  • All Bolt-on System 
  • SUS304 Stainless Steel Construction 
  • Fully Polished Finish 
  • CNC Machined Flanges 
  • ARK Signature Helmholtz Chamber 
  • Dyno Proven HP and TQ!


Vehicle Application

  • 2007-2009 Infiniti G35 Sedan RWD (V36)
  • 2008-2016 Infiniti G37/Q60 Coupe RWD (V36)
  • 2008-2016 Infiniti G37/Q40 Sedan RWD (V36)
  • 2013+ Infiniti Q50 RWD 3.7 and Hybrid
  • 2007-2008 Nissan 350Z (Z33)
  • 2009+ Nissan 370Z (Z34)


Product Notes

  • The R-Spec Test Pipes are recommended for off road use only. These only fit RWD models that are manual transmission.
  • Modifications by a muffler shop to the test pipes required for AWD models.

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