The construction of the Polaris RZR Titan Series Full Exhaust Systems By HMF features aluminum shells and a stainless steel head pipe that weigh way less than the stock exhaust that you have grown accustomed to. Adding this exhaust to your machine means a 10% o 15% boost in horsepower and a substantial kick in torque. Get power out of your machine that you did not think possible. The joy is not only in experiencing an increase in power but in hearing the rumble of your machine. The Polaris RZR Titan Series Full Exhaust Systems By HMF is the brilliance that your machine needs you to add to it. Added to that is that the installation process takes next to no time so that your time off the trail will be near nonexistent. This is the year of upgrades and this is a great place to start. As aftermarket parts for your machine go, this is a great addition yo you machine.