Atlas Tuning and Performance
Brandon, South Dakota, United States
Dyno: In-house AWD dyno
TunesLink ECU ✓
ECU dyno tuners in South Dakota
4 shops in South Dakota have their own dyno and tune aftermarket engine control units (ECUs). Most tuned here: Holley EFI (2), Link ECU (1), Haltech (1).
CNC-Motorsports
Brookings, South Dakota, United States
Dyno: Engine dyno
TunesHolley EFI ✓
Excessive Autosports
Sioux Falls, South Dakota, United States
Dyno: Dynojet chassis dyno
TunesHaltech ✓
Dynotune Speed & Performance
Watertown, South Dakota, United States
Dyno: Dynojet 248 chassis + Dynojet Mobile Dyno chassis
TunesHolley EFI ✓
More ECU dealers in South Dakota
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.
- M1 Tuning and Consulting (McCoy Motorsport Calibrations) Harrisburg Haltech, MoTeC
Checked October 2026. All dyno tuners · United Kingdom · Australia · Canada · New Zealand · Germany · France · Switzerland · Sweden