Two Brothers exhaust question

[Laurence243]

What is the difference between the aluminium, titanium, and carbon fiber versions? Just cosmetic? There's a $160 difference between the aluminium and the others :u

 

[elus1ve]

What is the difference between the aluminium, titanium, and carbon fiber versions? Just cosmetic? There's a $160 difference between the aluminium and the others :u

I would say weight is the major differentiation factor, followed closely by cosmetic then resistance to the elements. Carbon comes on top in most of those factors.