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b4z · 04-18-2012, 04:58 PM

What about finding a head porting company that can enlarge the big single exhaust port then adding a larger diameter tuned pipe to the cats.
Don't know how much material can be taken off the port.
Just an idea.

04-18-2012, 04:58 PM	#9
b4z Drives: '06 Pontiac GTO M6, '19 F150 2.7TT Join Date: Nov 2008 Location: Charleston, SC Posts: 1,425	What about finding a head porting company that can enlarge the big single exhaust port then adding a larger diameter tuned pipe to the cats. Don't know how much material can be taken off the port. Just an idea.