Motor Mayhem
Meridian, Idaho, United States
Tunes Holley EFI on its own Dynojet 248x chassis and engine dyno. Listed by Holley EFI as a dealer, so you can buy the ECU here too.
At a glance
- Tunes
- Holley EFISells too
- Dyno
- Dynojet 248x chassis and engine dyno
- Address
- Meridian, ID · street not published
- Phone
- (208) 887-2058
Other dyno tuners nearby
- BK IndustriesMeridian, ID · 2 mi · Haltech
- Restoration RodsGarden City, ID · 5 mi · Haltech
- ThrottleWorksGarden City, ID · 5 mi · Haltech, MoTeC
- Kaizen Speed (KS Tuned)Richland, WA · 233 mi · AEM, Haltech, MoTeC
Still choosing an ECU?
Entry units from the brands Motor Mayhem tunes:
- Holley Terminator Xfrom US$1,600
- Holley Terminator X Maxfrom US$2,000
How this listing was checked
Report a mistake on this page. Listed because there's evidence it tunes aftermarket ECUs and has its own dyno. "Sells too" means the ECU maker lists it as a dealer. Checked October 2026. Listings are free and shops can't pay for placement.