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Automotive

Oils & Fluids

Nos Octane Boosters

10 Best Nos Octane Boosters 2025 in the United States

Winner

STP

STP Octane Booster, Fuel Intake System Cleaner, Bottles, 5.25 Fl Oz, Pack of 12

9.9

score

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BOOSTane

BOOSTane Professional Octane Booster, Formulated to Increase Octane for High-Performance Race Engines, 32oz (1 Pack)

9.8

score

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Bar's Leaks

Rislone 4747-12PK Super Concentrated Octane Booster, 6. Fluid_Ounces, 12 Pack , yellow

9.8

score

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Lucas Oil

Lucas Oil 10026 12-Piece/Case 15 oz. Bottle Octane Booster Fuel Treatment Fluid

9.7

score

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K&N

K&N Performance+ Octane Booster: Boosts Octane and Improves Engine Performance, 16 Ounce Bottle Treats up to 18 Gallons, 99-2020

9.5

score

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Lucas Oil

Lucas Oil 10026 Octane Booster - 15 Ounce

9.4

score

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BOOSTane

BOOSTane Premium Octane Booster (2 Pack)

9.1

score

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Lucas Oil

Lucas Oil Products 10930-24 Octane Booster, 126 fl. oz, 1 Pack

8.9

score

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Royal Purple

Royal Purple 11757 Max Boost Octane Boost Case, 16 fl. oz (6 Pack)

8.7

score

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#10

Johnsen's

Johnsen's 4688-8-12PK Octane Booster - 6 Oz., (Pack of 12)

8.4

score

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