I have an 18 GT with factory Active Exhaust. I know Roush makes standard GT Exhaust Axle Backs but wondered if they have those for the Active system? Appreciate any video's. Thanks.
Has anyone done this yet. I know about less gas mileage and short shifting 1 st. gear but I put 4.10's in my 2004 Mach1 and absolutely loved it. My dealer is willing to install the 4.10 for me so when I take delivery it is ready to "rock 'n roll". Right now I just have the 3.55 and figure if I...