Serving Billings & Montana
Your Billings Shop for Real Power.
Whether you're chasing quarter-mile glory or just need reliable repairs for the daily grind, we build and fix what others won't touch.
Whether you're chasing quarter-mile glory or just need reliable repairs for the daily grind, we build and fix what others won't touch.
We use top-tier diagnostics and tuning software to extract safe, reliable power from your engine.
No guessing games. We identify the root cause of your check engine light or performance issue quickly.
We stand behind our work. Your safety and satisfaction are the metrics we tune for, every time.
From routine maintenance to heavy-duty fabrication, we handle the full spectrum of performance needs.
ECU remapping, dyno tuning, and power management for turbo and supercharged builds.
Installation of intakes, exhausts, intercoolers, and suspension components.
Brakes, suspension, oil changes, and scheduled maintenance for daily drivers.
Custom exhaust systems, downpipes, and bespoke metalwork for unique projects.
Advanced OBD scanning and electrical troubleshooting to fix stubborn issues.
Upgrades, repairs, and maintenance for forced induction systems.
At Heavy Mod Performance, we understand that your vehicle is more than just transportation—it's a tool, a hobby, and sometimes a passion. Located right here in Billings, we bridge the gap between standard repair shops and high-end tuning houses.
Whether you drive a lifted truck for the Montana trails or a modified sedan for the track, we bring the same level of care and technical expertise to the job. We believe in clear communication, fair pricing, and getting it right the first time.
100%
Commitment
Billings
Based
A glimpse into our shop.
Engine Bay Detail
Forced Induction Install
Dyno Tuning
Precision Tools
Heavy Duty Service
Custom Exhaust
Ready to tune, repair, or build? Give us a call or send us a message. We're located conveniently in Billings and ready to help.
