Originally Posted by BullowM3
thats crazy haha, i had ar downpipes on my older 335 but i sold them i hate having the fear of something going wrong and i have to uninstall them or something. im gonna try to experiment on the secondaries
It will increase the sound and reduce lag. I rather do that than A&R Designs. Taking off downpipes is a bitch. i've taken off and put on 15 exhaust n diffusers myself with a jack n 2 jack stands. simple but some work.