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Under $20 Vehicle Performance Additives

Shop the best prices on 1,124 great value under $20 vehicle performance additives. Shopping for vehicle performance additives is easy with Fruugo, with SALE discounts, offers and savings on Rayhong, Homonth, OCC Motorsport and more. Buy vehicle performance additives online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 1,124
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install
$8.95 Save $24.00 RRP: $32.95
Fuelsync Gas Saver Easy Plug & Play Car Fuel Saver for Trucks & Cars, Increases Mileage, Lowers Emissions, Ideal Car Accessory
$0.95
​​Fuelsync Gas Saver Portable Car Fuel Saver, Plug & Play Gas Economizer with 20% Gas Savings​​
$0.95
Fuelsync Gas Saver Increases Fuel Mileage Lowers Emissions Automobile Replacement Parts
$0.95
w ??Fuelsync Gas Saver Portable Car Fuel Saver, Plug & Play Gas Economizer with 20% Gas Savings??
$0.95
Gas Saver, Fuelsync - Drive Farther, Save More Fuel Instantly, 2025 New Fuelsync Pro Module Tool Fuel Saving Device for Filling Gasoline Lubricants Wa
$2.95 Save $23.00 RRP: $25.95
2X Car Fuel Saver Save on Gas Save Gas Features Fuel 12V Vehicle-Mounted Fuel-Saving Treasure Green
$9.95 Save $7.00 RRP: $16.95
Gas Saver Drive Farther, Save More Fuel Instantly, 2025 New Fuel Saving Device for Filling Gasoline Lubricants Water Diesel, Save 10-30%
$10.95 Save $31.00 RRP: $41.95
​​Fuelsync Gas Saver Portable Car Fuel Saver, Plug & Play Gas Economizer with 20% Gas Savings​​
$8.95 Save $9.00 RRP: $17.95
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install 2025
$11.95 Save $12.00 RRP: $23.95
Fuelsync Gas Saver Easy Plug & Play Car Fuel Saver for Trucks & Cars, Increases Mileage, Lowers Emissions, Ideal Car Accessory
$15.95 Save $8.00 RRP: $23.95
Oil Additive Motorcycle Agricultural Machinery Funnel Red
$6.95
Car Fuel Saver,Car Fuel Saver Portable Fuel Economy Energy Saver Portable Car Fuel Saver Smart Functionality
$12.95 Save $36.00 RRP: $48.95
Portable Car Fuel Saver Economizer Just Plug Save Automobile Replacement Parts
$13.95 Save $17.00 RRP: $30.95
Fuelsync Gas Saver Increases Fuel Mileage Lowers Emissions Automobile Replacement Parts 25-26s
$10.95 Save $10.00 RRP: $20.95
Fuelsync Gas Saver: Easy Plug & Play Fuel Efficiency Device for Cars & Trucks
$20.95 Save $10.00 RRP: $30.95
Engine Decarbonization Anti-Wear Additive Engine Protection, Noise Reduction and Vibration Control
$18.95 Save $18.00 RRP: $36.95
Car Fuel Saver,Car Fuel Saver Portable Fuel Economy Energy Saver Portable Car Fuel Saver Smart Functionality
$17.95 Save $11.00 RRP: $28.95
Multi-Function Fuel System Cleaner 120ML - Carbon Deposit Remover with Polyetheramine & Ferrocene, Improves Emissions & Engine Performance for Gasolin
$9.95 Save $20.00 RRP: $29.95
Portable Car Fuel Saver With Smart Energy Efficiency Function unbrand
$17.95 Save $10.00 RRP: $27.95
Fuel Saver Universal Magnetic Fuel Efficiency Booster for Cars and Trucks, Tool Install (2Pcs)
$20.95 Save $11.00 RRP: $31.95
Leak Resistant Advanced Car Fuel Conservation Module Reduces Gas Usage 30% More Durability Than Plastic ABS Construction Multicolor
$18.95
Rayhong Engine Protectant, Anti-Wear Protectant, Anti-Noise, Anti-Shake, Anti-Rust Car Cleaning And Maintenance Agent
$16.95 Save $34.00 RRP: $50.95
Rayhong Engine Carbon Removal Repair Agent, Engine Anti-Wear Protection Carbon Removal Noise Reduction Oil Additive
$10.95 Save $39.00 RRP: $49.95
Rayhong Automotive Diesel Additives For Vehicles To Increase Power And Improve Fuel Efficiency Cleaning And Cleaning Agents
$10.95 Save $39.00 RRP: $49.95
Rayhong Electric Vehicle Battery Repair Solution, Clean And Improve Performance Maintenance Battery Repair Solution
$11.95 Save $39.00 RRP: $50.95
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install
$15.95 Save $31.00 RRP: $46.95
OBD2 Fuel Saver and Engine Performance Booster for Cars 1996+, Plug and Play Efficiency Device
$20.95 Save $11.00 RRP: $31.95
Rayhong Engine Protectant, Anti-Wear Protectant, Anti-Noise, Anti-Shake, Anti-Rust Car Cleaning And Maintenance Agent
$10.95 Save $58.05 RRP: $69.00
2025 2x Engine Carbon Removal Repair Agents Highly Effective Engine Anti-Wear Protectant for Various Vehicles
$13.95 Save $14.00 RRP: $27.95
3x Engine Carbon Removal Repair Agent Aneedtools for Car 100ml Anti-Wear Protectant
$14.95 Save $15.00 RRP: $29.95
3x Engine Carbon Removal Repair Agent Aneedtools for Car 100ml Anti-Wear Protectant
$20.95 Save $20.00 RRP: $40.95