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Under $20 Vehicle Performance Additives

Shop the best prices on 868 great value under $20 vehicle performance additives. Shopping for vehicle performance additives is easy with Fruugo, with SALE discounts, offers and savings on Rayhong, Hcankcan and Homonth. Buy vehicle performance additives online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 868
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install
$11.95 Save $33.00 RRP: $44.95
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install
$16.95 Save $16.00 RRP: $32.95
Gas Saver, Fuelsync - Drive Farther, Save More Fuel Instantly, 2025 New Fuelsync Pro Module Tool Fuel Saving Device for Filling Gasoline Lubricants Wa
$4.95 Save $30.00 RRP: $34.95
2X Car Fuel Saver Save on Gas Save Gas Features Fuel 12V Vehicle-Mounted Fuel-Saving Treasure Green
$11.95 Save $5.00 RRP: $16.95
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
Gas Saver Drive Farther, Save More Fuel Instantly, 2025 New Fuel Saving Device for Filling Gasoline Lubricants Water Diesel, Save 10-30% unbrand
$19.95 Save $39.05 RRP: $59.00
Fuelsync Gas Saver Portable Car Fuel Saver, Plug & Play Gas Economizer with 20% Gas Savings Edition 0120
$9.95 Save $49.05 RRP: $59.00
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install Edition 0119
$9.95 Save $49.05 RRP: $59.00
Gas Saver, Fuelsync - Drive Farther, Save More Fuel Instantly, 2025 New Fuelsync Pro Module Tool Fuel Saving Device for Filling Gasoline Lubricants Wa
$5.95 Save $58.05 RRP: $64.00
Catalytic Converter Cleaner for Auto Engine Fuel and Exhaust System Carbon Deposit Removal_lhh
$14.95 Save $3.00 RRP: $17.95
Car Fuel Saver,Car Fuel Saver Portable Fuel Economy Energy Saver Portable Car Fuel Saver Smart Functionality
$14.95 Save $14.00 RRP: $28.95
2025 Fuelsync Gas Saver Easy Plug & Play Car Fuel Saver for Trucks & Cars, Increases Mileage, Lowers Emissions, Ideal Car Accessory
$7.95 Save $8.00 RRP: $15.95
Car Fuel Saver,Car Fuel Saver Portable Fuel Economy Energy Saver Portable Car Fuel Saver Smart Functionality
$17.95 Save $51.05 RRP: $69.00
2X Car Fuel Saver Save on Gas Save Gas Features Fuel 12V Vehicle-Mounted Fuel-Saving Treasure Green Edition 0118
$9.95 Save $49.05 RRP: $59.00
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install 2025
$16.95 Save $16.00 RRP: $32.95
Gas Saver, Fuelsync - Drive Farther, Save More Fuel Instantly, 2025 Fuelsync Pro Module Tool Fuel Saving Device for Filling Gasoline Lubricants Wa Ed
$10.95 Save $48.05 RRP: $59.00
Fuelsync Gas Saver Plug & Play Device for Cars & Trucks, Improves MPG & Reduces Emissions
$17.95 Save $16.00 RRP: $33.95
Assist Saver, Fuel Sync - Drive Farther, Save More Fuel Instantly, Saver Assist Save 10% , Suitable for All Cars
$12.95
12V Car Fuel Saver 2X Save on Gas
$4.95 Save $1.00 RRP: $5.95
2025 Fuel Economy Device Energy Enhancer Suitable For Cars Prevents Leakage Saves 15 to 30% Gas Universal Vehicle Application Multicolor
$11.95 Save $12.00 RRP: $23.95
500ml Battery Repair Fluid Vehicle Battery Renewal Solution Restore Liquid For Car Truck Motorcycle
$0.95
Fuelsync Gas Saver Easy Plug & Play Car Fuel Saver for Trucks & Cars, Increases Mileage, Lowers Emissions, Ideal Car Accessory Edition 0115
$9.95 Save $49.05 RRP: $59.00
Fuelsync Gas Saver Increases Fuel Mileage Lowers Emissions Automobile Replacement Parts SH
$19.95
Fuel Saver Device: Easy Plug & Play for Cars & Trucks, Boost MPG, Reduce Emissions
$17.95 Save $21.00 RRP: $38.95
Rayhong Anti-Wear Protective Agent, For Automotive Engines, Anti-Rust Cleaning Agent For Automotive Parts, And Anti-Noise Protective Agent
$15.95 Save $78.05 RRP: $94.00
Fuel Saver Magnetic Efficiency Booster for Cars & Trucks - Easy Install
$17.95 Save $20.00 RRP: $37.95
Rayhong Engine Carbon Removal Repair Agent, Engine Anti-Wear Protection Carbon Removal Noise Reduction Oil Additive
$14.95 Save $54.05 RRP: $69.00
Rayhong Automotive Diesel Additives For Vehicles To Increase Power And Improve Fuel Efficiency Cleaning And Cleaning Agents
$14.95 Save $54.05 RRP: $69.00
Rayhong Electric Vehicle Battery Repair Solution, Clean And Improve Performance Maintenance Battery Repair Solution
$15.95 Save $58.05 RRP: $74.00
Fuel Efficiency Enhancer for Cars & Trucks, Easy Installation, Improves Mileage, Reduces Emissions, Perfect Vehicle Accessory
$17.95 Save $16.00 RRP: $33.95