ARK Performance R-Spec Test Pipes - Infiniti G35 & Nissan 350Z

$ 699.00
$ 524.25

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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!



    • The R-Spec Test Pipes are recommended for off road use only. These only fit RWD models that are manual transmission.
    • Modification from a muffler shop required for 2003-2006 Infiniti G35 Sedan AWD


    Vehicle Application

    • 2003-2008 Nissan 350Z
    • 2003-2007 Infiniti G35 Coupe RWD
    • 2003-2006 Infiniti G35 Sedan RWD


    Engine Application

    • VQ35DE
    • VQ35DE Revup


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