Nissan 370Z Forum - View Single Post

m4a1mustang · 11-21-2011, 10:40 AM

Test pipes replace the catalytic converters with a straight pipe.

The Y pipe is the section of the exhaust that connects the test pipes (or cats) to the back half of the exhaust.

11-21-2011, 10:40 AM	#2 (permalink)
m4a1mustang A True Z Fanatic Join Date: Feb 2009 Location: Northern VA Posts: 55,385 Drives: on two wheels Rep Power: 6962	Test pipes replace the catalytic converters with a straight pipe. The Y pipe is the section of the exhaust that connects the test pipes (or cats) to the back half of the exhaust. __________________ - Steve Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!) LIKE us on Facebook!