So on my 2011 2SS A6 before I sold it for the ZL1 M6, I had ARH with hiflow cats, a CAI, and a tune on it. It was an automatic and the tune was awesome but when shifting gears mainly 1->2 and 2->3, it wasnt silky smooth like a completely stock camaro it was pretty firm and jumpy to my unliking. I am wondering if I modify my Z with similar mods if it will be like that? Since this ZL1 is a manual and I will be doing the shifting instead of the car's computer will it be smooth or will it be a lot firmer?
