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STOCKISH · 09-01-2010, 11:24 AM

AHAAA! I will always respond. The flanges are the factory ones that came on the donor trucks 6.0 engine. My exhaust guy took the flanges and opened them up to 3 inches to match the true 3" duals and H-Pipe he installed. He also installed o2 bungs anout 6 inches or so down from there in the down pipe.

09-01-2010, 11:24 AM	#5
STOCKISH Formerly- 1972SuperCheyenne Join Date: Oct 2008 Location: Wake Forest NC Posts: 5,782	Re: Stock LSX manifold flanges AHAAA! I will always respond. The flanges are the factory ones that came on the donor trucks 6.0 engine. My exhaust guy took the flanges and opened them up to 3 inches to match the true 3" duals and H-Pipe he installed. He also installed o2 bungs anout 6 inches or so down from there in the down pipe. Attached Images __________________ --Josh My Build Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=799218 A good crossthread is better than Loctite any day. Life is not about what you have, but who you have to share it with.