Originally Posted by 370Ztune

I agree:





With the R1 Extra Exhaust, the larger single piping provides a good amount of back pressure. It also shaves off more weight because of less materials. The single piping also changes the sound of the exhaust. So in short, there are performance gains, but whether or not they are benefits depends on your priorities. If weight savings is one of your top priorities, then this titanium exhaust with single piping is a good benefit.