Knights Performance Automotive
Belton, Missouri, United States
Dyno: Chassis dyno
TunesHolley EFI ✓
ECU dyno tuners in Missouri
11 shops in Missouri have their own dyno and tune aftermarket engine control units (ECUs). Most tuned here: Holley EFI (10), Haltech (3), AEM (2), ECUMaster (1).
BALDWIN RACING LLC
Friedheim, Missouri, United States
Dyno: Chassis dyno
TunesHolley EFI ✓
Modified by KC
Kansas City, Missouri, United States
Dyno: Dyno on site (model not published)
TunesAEMECUMasterEmtronHaltechHolley EFILink ECU ✓MoTeC
STL MUSTANGS LLC
Leadington, Missouri, United States
Dyno: Dynojet 224xLC chassis dyno
TunesHolley EFI ✓
Competition Marine
Moscow Mills, Missouri, United States
Dyno: Engine dyno
TunesHolley EFI ✓
Mid Coast Performance
Pacific, Missouri, United States
Dyno: Mustang MD-1100-SE chassis dyno
TunesHolley EFI ✓
Earth Motors / Rhino's Truck Accessories
Poplar Bluff, Missouri, United States
Dyno: Dynojet 224x chassis dyno
TunesHolley EFI ✓
Phalanx Performance
Saint Charles, Missouri, United States
Dyno: Dynapack hub dyno (in-house)
TunesAEMHaltech ✓
Greg's Tuning Operation
Sikeston, Missouri, United States
Dyno: Mainline AWD hub dyno
TunesFuelTechHaltechHolley EFI ✓
C&S SPECIALTIES
St. Charles, Missouri, United States
Dyno: Chassis dyno + engine dyno
TunesHolley EFI ✓
ET Tuning
Union, Missouri, United States
Dyno: Dynojet 424x AWD chassis dyno
TunesHolley EFI ✓
More ECU dealers in Missouri
These shops are on an ECU maker's dealer list, but there's no evidence yet that they have their own dyno. Call ahead before you book a tune.
- 417 Motorsports Springfield Holley EFI
- Boomslang Fabrication Jefferson City Emtron
- Habibi Motorsports Saint Louis Haltech
- Spoolin' Enterprises Springfield Haltech
- Vendetta Performance Grain Valley Link ECU
- VINTAGE FABRICATION Independence Holley EFI
Checked October 2026. All dyno tuners · United Kingdom · Australia · Canada · New Zealand · Germany · France · Switzerland · Sweden