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These downpipes include lightweight test pipes fit in place of the heavy OEM catalytic converters. Using a test pipes removes the flow restriction a catalytic converter places on an exhaust system, while increasing the horsepower.
The silencing effect of the converters are also removed, enhancing the aggressive engine sound. Test pipes are ideal for track days and race application.
On applicable models, the center section is made flexible as an added protection feature against vibration damage to the header pipes and the Lambda or Oxygen Sensor Bungs are pre-installed and threaded.
Made from T309 (1.4828) stainless steel.
IMPORTANT:
Test pipes may trigger a CEL (Check Engine Light).
Replacing Your OEM Catalytic Converter/s may trigger a CEL (Check Engine Light). To disable a recurring CEL you will need to tune the ECU or use 02 Sensor Extensions. *Recommended For Off-Road and Track Use Only*