WHAT DOES THE EXHAUST TIP DO? 1. Protect Your Original Tailpipes: Being installed to prevent deformation and oxidation of your exhaust pipe. 2. Exquisite tail throat with stylish design and bright color, provides a stylish look for your vehicle instead of the rusted old tailpipe. Effective protect your tailpipe from dust, rain and rocks, also Prevent it from deformation and damage. Included Accessories: Dual exhaust tip x 1 Wrench x 1 Note: Universal fit for vehicles with an outside diameter of less than 2.5 inches for the exhaust pipe interface. Please measure the outside diameter of your car exhaust pipe interface before purchasing. Installation Steps: Step 1: Clean the surface of your tailpipe. Clean the dirt and sand on your tailpipe with penetrating oil and a shop rag. Step 2: Slide the exhaust tip into your tailpipe. Try to slide the tip onto the exhaust pipe. You will probably meet some resistance, so use automotive grease to lubricate the pieces if necessary. Cover the end of the exhaust tip with a towel and tap it into a place with a rubber mallet. Step 3: Fasten the exhaust tip. Tighten screws and clamps to secure the exhaust tips. Should you worry that it is not tight enough, you can weld a joint between the edges of the tailpipe and the exhaust tip. Finally, the installation is complete. Daily Maintenance: In order to prolong the service life of the exhaust pipe, please clean the cement, ash and sand regularly to keep the surface clean. We recommend to do above action once a month.