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Slickcas · 03-08-2012, 01:49 AM

Yea stock is 2.5 in. When you order just tell them what you are doing the HF cats will have a 2.5 outlet or the off road pipe will have a 2.5 outlet.

03-08-2012, 01:49 AM	#2
Slickcas Drives: 12' 2SS/RS LS3 IBM Join Date: Nov 2011 Location: Odin. ILL Posts: 487 View My Garage	Yea stock is 2.5 in. When you order just tell them what you are doing the HF cats will have a 2.5 outlet or the off road pipe will have a 2.5 outlet.