ECU Shootout

ECU dyno tuners in the United States

354 shops in the United States have their own dyno and tune aftermarket engine control units (ECUs). Most tuned here: Holley EFI (173), Haltech (151), Link ECU (96), MoTeC (58).

More ECU dealers in the United States

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.

Checked October 2026. All dyno tuners · United Kingdom · Australia · Canada · New Zealand · Germany · France · Switzerland · Sweden