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S197 Shelby SectionThis section is for technical discussions pertaining specifically to the latest installment of the Shelby Mustangs; the Shelby GT, the CS6, and the awesome GT500.
It is on the 5.4L but it can be done on the 4.6 as well, just cut a round 3.5 inch hole and it dyno's 10 rwhp and 5 lbs It is better than a K&N filter and no oil worries!!
Airbox mod
