Just like the title says, wanting to hear from people who have either of these exhausts or have seen & heard in person. Car is 2018 GT Mustang stock manual and just want more sound but don’t want to be crazy extreme pull me over type of stuff. I’ve listened & seen videos from CJ on these two but...
Was wondering if anyone has used the new Power Pack from Roush in their 2018-2019 mustang? I did not know If the tune that comes with it is pretty conservative or not? I seen on their web site it was designed for a 91 octane rating. All stations around me pretty much have 93 octane for premium...