These 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 stainless steel.
IMPORTANT:
Test pipes may trigger a CEL (Check Engine Light).
Usually this part is in stock, in case of a backorder we will contact you immediately and if you agree to the time frame the part will be imported from Germany, usually takes less than 10 days!
Fits: Audi S8/S8 Plus D4 2012-2016