For off-road use only.
The Invidia polished stainless steel test pipes comes as a pair for the Nissan 350Z/370Z / Infiniti G35/G37 and provides increased amount of air flow out through exhaust pipes freeing up extra horsepower from your motor. Invidia test pipe / straight pipe is constructed of 100% polished stainless steel.
NOTE: In the state of California, performance high flow cats and test pipes are intended for off-road use only and are never to be operated on a public road or highway. Check your state and local law requirements and regulations.