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*mlee* · 07-28-2011, 11:05 PM

Stepped headers is where the tubing changes sizes... somewhere down the pipe a larger pipe is slipped over so it's larger at the collector.

07-28-2011, 11:05 PM	#4
mlee CamaroFans.com Drives: ZLE & ZR2 Join Date: Oct 2008 Location: Conroe, TX Posts: 38,011 View My Garage	Stepped headers is where the tubing changes sizes... somewhere down the pipe a larger pipe is slipped over so it's larger at the collector. __________________