Mazdaspeed3 (07-14) Resonated & Metal High Flow Cat Test Pipe

Item # 800101


  • Full stainless steel construction
  • Directly replaces OEM secondary catalytic converter with our polished "straight through" Resonator and 200 cell high flow metal substrate core catalytic converter
  • 100% Bolt-on to OE or Ultimate Racing Downpipe / Catback
  • Will Not trigger Check Engine Light
  • Proprietary "3-inch Donut Gasket" to connect to OEM or Our Catback design for maximum flow
  • purchase comes with one of our "donut gasket" and all necessary hardware for installation

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