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30% Off Online Orders of Select Parts and Accessories
Receive 30% Off Your Online Purchase. Use promotional code MANNY30 at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields, and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 6/2/16. Online orders scheduled for in-store pick up must be completed in store by closing on 6/1/16 for discount to apply.

Your Store: Pep Boys Germantown  20900-A Frederick Rd
Showing  104+ Octane Boost 16oz 104+ Octane Boost 
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104+ Octane Boost 16oz 104+ Octane Boost

Part # 10406   SKU: 8565736
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$9.99 / ea
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104+ Octane Boost 16oz 104+ Octane Boost

104+ Octane Boost was America's first Octane Boost, created in 1975. 104+ Octane Boost will improve your mileage and boost your power.
  • Boosts Power
  • Improves Gas Mileage
  • Cleans Fuel Injectors
  • Reduces Knocks, Pings and Hesitation
  • Safe for Catalytic Convertors and Oxygen Sensors
  • Treats up to 18 gallons


Rated 5 out of 5 by 8 reviewers.
Rated 5 out of 5 by Great for my Harley I use this in my Harley-Davidson while touring. It comes in especially handy for the times when premium unleaded gas is not available. Also improves the mileage and bike runs great with no pinging or knocks. January 15, 2016
Rated 5 out of 5 by Increased Power and Mileage on 78 Dodge Van I have a 78 Dodge Van that does not like the current fuel options at the pumps. She does not run well or get great mileage with regular gas or even premium. I started adding the 104+ Octane Boost to the tank when we fill it up. My wife is the one who drives it on trips. She knows the van well. She said it was running better, smoother and without hesitation. Also that we were getting better gas mileage as well with it. From now on at every fill up she gets a bottom of 104+. Great product. September 11, 2015
Rated 5 out of 5 by Added enjoyment to driving my 1965 Lincoln I couldn't adjust the ignition timing in my 1965 Lincoln for the gasoline available today. After boosting the octane with 104+Octane Boost, I set the timing to the original factory specification and the Lincoln runs like a charm. BSB August 17, 2015
Rated 5 out of 5 by Great Product !!! I use a bottle of the 104 Octane with each fill up in my 1970 Buick GSX with a hot 455 engine in her... This product really helps, Matilda purrs right along with it in her system... June 22, 2015
Rated 5 out of 5 by Amazing upgrade to today's fuel I use this on all my cars to make them run better and keeps the motor clean and burns the fuel better too. May 18, 2015
Rated 5 out of 5 by Great Power Boost I used this in my classic car and have seen a difference in the additional horsepower that it created. I use it on every fill up and it makes the car seem to run better and faster. May 2, 2015
Rated 5 out of 5 by I got great mileage. The first time that I used the 104 Octane Boost I was headed to a car show in West Virginia. I added this product to my gas tank to see if my gas mileage would improve. I was really surprised, my gas mileage was the best that I ever got with my PT Cruiser while towing a trailer. With results like this, 104 Octane Boost is being used all the time now. May 1, 2015
Rated 5 out of 5 by This product delivers! Been using this for years. Noticeable difference in fuel mileage when I use on trips @ freeway speeds. May 1, 2015
  • 2016-05-29 T12:46:20.468-05:00
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