Using these AS3 Performance silicone radiator hoses is easy. Just replace your old radiator hoses with these new ones following the standard replacement procedure. Remember, these hoses are designed only for off - road and track use, so don't use them on public roads. When it comes to maintenance, regularly check for any signs of wear and tear like cracks or leaks. If you notice any issues, contact us right away. And since these hoses come with a 12 - month warranty from the purchase date, you can have peace of mind while using them.