Precision Work.
Any Car. At Your Door.
From daily drivers to high-end builds — Juthani Speed Lab brings performance upgrades, custom installs, and full mechanical repair straight to you in Santa Clara County.
Upgrades & custom builds
All makes & models
Performance Build
Custom Install
On-Site RepairBuilt for Performance.
Ready for Everything.
Whether you're upgrading a sports car or fixing a daily driver, we handle it all — at your location, on your schedule.
General Repair & Maintenance
From strange noises to worn parts — we diagnose and fix it on the spot, at your location. All makes and models welcome.
Engine Diagnostics
Check engine light on? We come to you with professional OBD scanning tools to pinpoint the issue fast — no shop visit needed.
Brakes & Suspension
Squealing brakes, grinding pads, soft pedal, or rough ride? We handle brake pad replacement, rotor work, and suspension repair at your door.
Electrical & Wiring
Dead battery, failing alternator, bad starter, or wiring fault — we diagnose and repair electrical issues at your home or office.
Oil Changes & Tune-Ups
Skip the shop line. We bring the oil change to your driveway, office parking lot, or anywhere you're parked in the South Bay.
Pre-Purchase & Pre-Road Trip Inspections
Buying a used car? Planning a long drive? We come to wherever the vehicle is and give you a full inspection so you can move forward with confidence.
Apple CarPlay & Android Auto
We install CarPlay and Android Auto at your location — clean wiring, factory-grade finish, no trips to a shop or dealer required.
Reverse Camera Installs
Mobile backup camera installation with hidden, clean wiring — added safety without the dealership markup or the wait.
Modifications & OEM Upgrades
Performance mods, factory feature retrofits like cruise control on older models, and OEM-level upgrades — all done mobile on your higher-end vehicle.
Fleet & Commercial Vehicles
Keep your business moving. We service fleets of vans, trucks, and commercial vehicles at your lot — scheduled maintenance, oil changes, brake service, and inspections with zero shop downtime.
The Lab's Work.
No Stock Photos.
Every shot is a real job — performance builds, custom installs, and mechanical repairs we've done in the South Bay.
Performance Shop.
Mobile Convenience.
We're not just a mobile oil change service. We specialize in high-end builds and performance work — and we bring that same level of expertise to every job, wherever your car sits.
Meet the Engineer
Every service at Juthani Speed Lab is executed by founder and sole technician Vasav Juthani. Vasav bridges the gap between mechanical engineering theory and elite field execution.
The Credentials: B.S. in Mechanical Engineering (SFSU) & former Chief Technology Officer of SFSU's Formula SAE racing team.
The Practical Proof: 8+ years of dedicated automotive experience specializing in custom wiring harnesses, engine swaps, and component fabrication.
This technical foundation means your car isn't just getting a standard repair — it's getting solutions engineered to last.
Performance Specialist
We work on higher-end vehicles and custom builds — the kind of work most mobile mechanics won't touch.
Full General Repair
Not every job is a build. We handle everyday mechanical repairs, maintenance, and diagnostics for all makes and models.
We Come to You
Home, office, parking lot — anywhere in Santa Clara County. No towing, no waiting rooms, no wasted time.
Transparent Pricing
Clear quotes upfront, no hidden fees. You know exactly what you're paying before we pick up a single tool.
What Customers Say
Don't just take our word for it — hear from real people we've helped.
Our mechanic came out same day and fixed my brakes in under an hour in my driveway. Saved me a ton compared to the dealership and I didn't have to go anywhere. Highly recommend.
Super professional and knowledgeable. Diagnosed my check engine light on the spot and had the part ordered within the hour. The convenience alone is worth it — add in the fair pricing and it's a no-brainer.
I was skeptical about a mobile mechanic at first but after this experience I'll never go to a shop again. Showed up on time, explained everything clearly, and my car runs perfectly. 10/10.
Let's Talk About
Your Build.
Performance upgrade, custom install, or a repair that's been on your list — send us the details and we'll get back to you with a clear, no-pressure quote.
We Come to You — Anywhere in Santa Clara County
No shop, no tow truck. We bring the tools to your driveway, office parking lot, or wherever your car is sitting.