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tuzzio · 12-25-2020, 06:23 AM

Typically the flex pipe helps keep the manifold or downpipe from cracking, however, some people don't use them if the exhaust is mounted rigid enough.

12-25-2020, 06:23 AM	#2
tuzzio Nissanaholic! Join Date: Oct 2013 Location: Western Mass. Posts: 2,254 Trader Rating: (3)	Typically the flex pipe helps keep the manifold or downpipe from cracking, however, some people don't use them if the exhaust is mounted rigid enough.