How much louder?
I am looking for a volume increase on my 2018 gt. I do not know much about high flow cats but will these green cats by kooks have a significant increase in volume ? compared to no cats at all?
I am looking for a volume increase on my 2018 gt. I do not know much about high flow cats but will these green cats by kooks have a significant increase in volume ? compared to no cats at all?