Originally Posted by Mr. BMW
Why does the E90 not come with a dual exhaust? The X5 has it and today I saw a Hyundai Sonata with duals. What was BMW thinking here???
I think it would make the back of the car look really cool.
I'm waiting on the E90 335.. And I'm sure eisenmann will have a dual and quad exhaust mod for the 335. Exhaust link