Using this ETS cat back exhaust is easy. First, gather all the included hardware. Before installation, make sure your vehicle is parked on a flat surface and the engine is cool. Follow the instructions to connect the exhaust to your factory or aftermarket downpipes using the 2 - bolt flange. Adjust the rear section using the V - band connection for a perfect fit. If you have a stock downpipe, remember to use the GrimmSpeed adapter. As for maintenance, regularly check the V - band connection for tightness and the exhaust for any signs of damage. Keep it clean to ensure it lasts a long time. With the lifetime warranty, you can have peace of mind knowing ETS has your back.