Hardcore Concepts Presents: Underground Auto Show
This listing hasn’t been confirmed by the organizer yet — details may change. Confirm with the source ↗.
Going to this one?
Free members get show-prep discount codes at JS Ultimate Sounds and JS Alternators — plus alerts when new shows are added near you.
When
Saturday, September 19, 2026
12:00 AM
Organizer
About
Location: Central Campus 1800 Grand Ave Des Moines, IA 50309 United States South side parking lot / parking garage Time: 4 PM – 10 PM Pricing: $20 to enter the car show Free for spectators Award Categories- 1. Best Wheels 2. Best Paint 3. Best Domestic 4. Best Import 5. Best Shitbox (Show us
Gear for this build
In stock at our partner shops — real prices, shipped from people who run this stuff.
Sundown Audio
Sundown Full Tilt 50' 1/0 AWG Cable
50 ft of 1/0 AWG power/ground — the gauge most big-three upgrades call for.
Shop →
Orion Car Audio
Orion XTRPRO2K Monoblock
2000W max Class D mono — stable to 1Ω for a big sub stage.
Shop →
Orion Car Audio
Orion CEA1600.1D 1600W RMS Mono
1600W RMS Cobalt Elite monoblock — real power per dollar.
Shop →
Sundown Audio
Sundown Full Tilt 50' 4 AWG OFC Cable
True OFC 4 AWG — for runs where CCA voltage drop won’t cut it.
Shop →
JS Ultimate Sounds and JS Alternators are run by the ShowUp team — buying there supports the site. Prices as listed at the shop.