About ShowUp
ShowUp is the all-in-one platform for automotive enthusiasts. Built by car people, for car people.
What We Do
- 🗺️ Map-based event finder for car shows, cruise nights, offroad meets, and audio comps.
- 🔊 12 offline-capable calculators — sub box, alternator sizing, port velocity, Big-3 wiring.
- 🚗 Personal garage to document builds and save calculations.
- 🏪 Vetted business directory featuring shops, installers, and dealers.
Advertise With Us
Reach builders, organizers, and competitors directly. Tiered listings to match your budget.
Boost Event
$10/wk or $30/mo
Gold map pin + top search results
Inquire →
Blast Event
$20/wk or $60/mo
Featured banner + 300-mile email blast
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Banner Ad (Regional)
$99/mo
Map & Events banner, one state
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Banner Ad (National)
$399/mo
Nationwide banner placement
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Title Sponsor
$599/mo
"Presented by" on every screen — one slot
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Founding Partner
Free until 2027
By invitation for launch ecosystem partners
Inquire →
Featured Partners
ShowUp launches with JS-Alternators as our Founding Partner. They build custom high-output alternators for car audio, offroad, marine, and motorsport applications.
Contact
Privacy
We collect the minimum required to run ShowUp, we don’t sell user data, and you can delete your account and all associated data at any time. Forum posts and builds you mark Public are public; everything else stays private.
Read the full Privacy Policy →Terms of Use
Be cool to other members. Calculator results are estimates, not engineering specs. You own your content; you let us display it on the platform. We don’t endorse listed businesses — vet them before you spend money.
Read the full Terms of Use →