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Best Choice K&N 
K&N Performance+ Octane Booster: Boosts Octane and Improves Engine Performance, 16 Ounce Bottle Treats up to 18 Gallons, BOOSTS POWER: Octane boost helps increase performance when added during gas fill upLiqui Moly 
LIQUI Moly Octane Booster | 200 ml | Petroladititive | SKU: 21696 Increases the octane rating of petrolGeneric 
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BOOSTane Professional Octane Booster 32oz (6 Pack) Best Value Lucas Oil 
Lucas Oil Octane Booster/12x1/15 Ounce Safe for turbos, oxygen sensors and catalytic converters104+ 
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