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Hey Guys, I just purchased my 2017 GT/CS - Auto this past Saturday. I have a couple of newbie questions so bare with me. 1) I was thinking about getting this exhaust here: https://performanceparts.ford.com/part/M-5200-M8SB But will adding a new exhaust improve performance or will it...

Hey Guys, I have a few questions about PowerPacks on the Mustang GT's. here is the site: https://performanceparts.ford.com/part/M-9603-M8A And here are the PowerPacks: Calibrations are available with three levels of hardware and performance M-9603-M8 - Power Pack 1 Includes high...