Complete Project Builds
From the first conversation to the final dyno pull — full builds managed start to finish.
Japanese Performance · DMV
One Shop
Infinite
Possibilities
Complete builds, in-house dyno tuning, and proper fabrication. Honda, Nissan, and the full Japanese lineup — but if you've got something weird, something the dealer won't touch, something nobody else has figured out, bring it anyway. We'll tell you straight what's possible.
Dyno Record
985 WHP
Jeep Grand Cherokee · 7.0L HEMI
Cars in service
05 ACTIVE
Booking next
LATE SEPT
Garage
MOUNT AIRY, MD
Frederick County · DMV
What We Do
Every Stage of The Build
Every Stage of The Build
Professionally Pawed
From the first conversation to the final dyno pull — Bad Cat handles it. No coordinator. No middleman. Just Justin, Carl, and the work.
General Diagnosis
We find what's wrong and tell you straight. No upsell, no runaround.
ECU Calibration
In-house dyno tuning. Every map built for your car, your fuel, your goals.
Turbo Systems
Stock replacement to full big-turbo builds. We size it, source it, and tune it.
Custom Manifold Design
Designed in-house, built to fit your exact setup.
Custom Fabrication
If it doesn't exist, we'll make it. One-offs, brackets, custom solutions.
Stainless, Titanium & Aluminum Welding
Clean welds, built to last. Exhaust, intake, chassis — whatever the job needs.
Professional wiring
Complete engine and chassis wiring, ECU patch and sensor harnesses.
CNC Laser Cutting
Precision cutting for brackets, panels, and custom parts.
CAD Design
3D modeling for parts before they're built. Measure twice, cut once.
Metal 3D Printing
Leveraging advanced technology to produce custom one off metal printed parts.
Pre/Post Purchase Inspections
Know exactly what you're buying or what you've got. Honest assessment, every time.
Get In Touch
Have a build in mind?
Tell us what you're working with. We'll take it from there.
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