✦ Plan a car buildStep 1 of 2
Plan a build without the spreadsheet. Add each mod with a cost and where it's up to — planned, ordered or installed — and watch the running total against your budget, what you've actually spent so far, and where the money goes. Your list is saved in this browser.
Build total
$6,980
$1,020 left of your $8,000 budget
Installed
$280
Ordered
$600
Still to buy
$6,700
Budget
USD
Add a mod
USD
The build (6)
USD
USD
USD
USD
USD
USD
Where the money goes
$6,980
Brakes32%$2,200
Wheels & Tyres26%$1,800
Suspension17%$1,200
Intake & Exhaust17%$1,180
Labour & Tuning9%$600
A planning estimate, not a quote — real prices vary by part, brand, supplier and whether you fit it yourself. Remember to leave headroom for consumables (fluids, fasteners, alignment), shipping and the jobs you discover halfway through. Your build list is saved only in this browser; clearing site data removes it.
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About Modification Budget Planner
Plan a car build and keep the spend honest. Add each modification with a cost, a category (engine, suspension, wheels, brakes, exterior and more) and a status — planned, ordered or installed. The planner tracks the running total against your budget, shows how much you have actually spent versus still have to buy, and breaks the whole build down by category in an interactive donut. Your list is saved in your browser for next time.
Everything happens on your device. Close the tab and it's gone.