[cliffyk]

It won't hurt and would provide more benefit that doing the TB first, however as I said above a premium fuel tune will do more after first doing some exhaust work than anything you can do to the intake. [/align][/align]The OEM tune is designed to first best meet benefit Ford's CAFE rating, performance is a secondary consideration. The good news is that with a good 93 octane tune you will get noticably better power and will not lose any fuel economy. [/align][/align]With 93 still only 20¢ to 30¢ more than regularwhy not...[/align]