All mods that use Engine upgrade slots belong in this category.
“A questionable upgrade at best, 4 Barrel Carburetor offers less speed than Larger Props, while...4 Barrel Carburetor
“With its massive range hit and additional slot requirement, this upgrade is almost certainly...6 Barrel Carburetor
“Of truly questionable use, given it's sole purpose of increasing acceleration, at the cost of no...Turbo Charger
“Superior to the Efficiency Mod so long as you have the money and engine slots to make use of it.High Efficiency Mod
“ Boring Out Upgrade Category: Engine Upgrades A pretty good overall combat mod, though it does...Boring Out
“A truly great upgrade, despite the slight boosts this upgrade remains the most effective speed...R Sticker
“Despite the description, a combination of R Sticker and Port and Polish offers more speed and...Coolant System
Pages in category "Engine Upgrades"
The following 15 pages are in this category, out of 15 total.