Installed 3.5" DS, first impressions...
I got the direct bolt-on installed last month. Man, the car feels so much smoother and a little more powerful. I haven't had any vibrations or clunks which I was worried about. Thanks for posting about this one, I'm really happy I did this mod.
I got at least a 1 mpg gain for combined street and highway driving. Lightweight shafts really shine on the streets, where you're always rowing through the gears from light to light. With this said, I'm sure my average mpg for street only driving was better than the gain for combined street and highway driving.
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tj@steeda
2015 - 2023 MUSTANG
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Sep 10, 2015 12:44 PM





