Using this exhaust system is easy. First, make sure your car engine is cool. Then, remove the old exhaust and install the new aFe Takeda cat - back exhaust following the included instructions. For best results, have a professional mechanic handle the installation if you're not experienced. When it comes to maintenance, regularly check the exhaust for any signs of damage, like dents or cracks. Keep it clean by washing it with mild soap and water. Avoid using harsh chemicals as they can damage the stainless - steel finish. If you notice any unusual noises or performance issues, have it inspected right away.