This is an absolute money-saver! Thanks to lower maintenance and fuel costs. On top of that, you won't have to shell out the big bucks to change your catalytic converter. LOWER EMISSION LEVELS: can lower your total hydrocarbon emissions by up to 50 percent. BETTER ENGINE PERFORMANCE: help clean the fuel injection system, as well as the cylinders, improving overall performance. REDUCE FUEL CONSUMPTION & BAD SMELL: while cutting down on fuel consumption, it also gets rid of the icky smell developed by your car overtime. PROTECT ENGINE: Proper fuel and exhaust flow will keep that engine running cleaner, smoother, and better, which will also cut down on maintenance costs. CLEAN THE ENTIRE SYSTEM: it can also clean other parts like the oxygen sensor, the fuel injectors, cylinder heads, and others. EASY CLEANING: simply pour in your fuel tank. SAFE for gasoline, diesel, hybrid, and flex-fuel vehicles; does not alter fuel. Not for use in 2-stroke or oil/gas mix engines We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 45 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right. We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance. Remember: Shipping usually takes 2-3 weeks read our Shipping for more details!