Invidia 50mm Race Test Pipes 350Z / G35 Subaru then it may be time

then it may be time to upgrade

restoring the balance that the ECU requires when using a high-flow cat

without compromising safety

With a recent revision you'll notice the improved look of our shift well as we have done away with the exposed screws on the top of the boot

It uses the same 70mm madrel bent piping

Invidia 50mm Race Test Pipes 350Z / G35 Subaru then it may be timeInvidia calls them test pipes, but they are also called catless race pipes, race pipes, or cat deletes. Call them whatever, but know this: Putting these in place of your cats means one thing, power. Invidia makes them from polished T304 stainless steel tube for the Nissan 350Z and Infiniti G35 and welds on heavy duty flanges for perfect fitment. Test pipes are for off road use only. FITMENT: Infiniti G35 Coupe 2003 2007 Infiniti G35 Sedan 2003 2006