GDI engines have given us so many street shredding perks. Like more power, better performance and fuel economy. But all that greatness comes at a price. In the form of rapid carbon buildup on your intake valves. Well the CRC GDI IVD Intake valve cleaner safely cleans those deposits without you having to tear down the top end of your engine. Simply spray it just past the MAF sensor directly into your air intake for a concentrated blast. Unlike a lot of other fuel additives that get diluted in your fuel components. Remember to do it every ten thousand miles or if it’s easier along with every oil change so you can get better performance and have longer engine life to prowl the streets.

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