Q. What is the benefit of short length exhaust of pulsar ns 160?

First of all the exhaust system is called ' underbelly exhaust system'. It is designed in such a way for bike stability and excellent weight distribution. Also, it gives some aesthetic looks to the vehicle. But from all the main reason is the weight distribution.

Well the benefit is you can get slightly more mileage because the stock exhaust is not there....and light weight vehicle can also give you a superior top speed...