The exhaust manifold is a steel fabrication and leads the exhaust gasses into twin pipes which take them through a centre silencer box to the rear of the car, where the exhaust system ends in twin polished tail pipes. (ausmotive.com)
Go for the sportier 340i model, and you'll have dual exhaust pipes in the rear, whereas the 320i and 328d get twin pipes. (topspeed.com)
And instead of adopting a pair of useless twin pipes in the rear, Honda engineers decided on a large single one. (motor-prime.com)