Track tested to be 9.2% faster, DYNO-TAB Maximum Strength Octane Booster provides faster acceleration. Adding the correct dosage at fill-up can give you a 10 point boost in your octane rating and additional tablets can increase it 17 points! Fast dissolving and safe for catalytic converters and oxygen sensors, DYNO-TAB High Performance Octane Booster has been shown to ‘beat the bottled boosters’ in independent lab tests. Please follow dosage instructions on package. Laboratory tests prove it. DYNO-TAB Beats the Bottled Boosters! The standard ASTM D-2699 Octane Test, administered by Core Laboratories in Houston, Texas showed that 2 tablets of DYNO-TAB Octane Booster added to readily available gasoline produced a whopping 17 point increase! To be certain that our test results were accurate, the test was conducted a second time and the results were the same. So whether you want to get the most out of your high performance engine or just want to save money by buying lower octane fuel and bumping up the octane, DYNO-TAB High Performance Octane Booster just makes good sense!