

"Fit perfectly and worked exactly as expected — support was excellent."
Viper VSM550
Upgrade Your Vehicle With Confidence. This Is Built to Fit, Perform, and Last
Viper VSM550 SmartStart Pro Module
Product Overview:
The Viper VSM550 SmartStart Pro is the ultimate upgrade for your vehicle's security and convenience system. It acts as a high-speed link between your car and your smartphone or smartwatch, providing virtually unlimited range for vehicle control. Using 4G LTE connectivity, it allows you to start, lock, and track your vehicle from anywhere in the world, provided your phone has a signal.
Key Features
World’s Fastest Connectivity
The VSM550 is engineered for speed. It utilizes advanced 4G LTE/3G technology to ensure that when you send a command from the app—like "Remote Start"—the vehicle responds almost instantly. This hardware is significantly faster than previous generations and offers ultra-reliable coverage throughout North America.
Advanced GPS Tracking & Monitoring
This module adds comprehensive GPS capabilities to your vehicle. You can view your car's real-time location on a map and set up advanced alerts. SmartFence notifies you if the car leaves a specific area, while Speed Alerts keep you informed if a driver exceeds a preset threshold. It even includes a Lockdown Alert to notify you immediately if your vehicle is moved without your permission.
Full Vehicle Control
When paired with a compatible Viper remote start or security system, the SmartStart Pro gives you full access to features such as:
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Remote Start: Warm up or cool down your car before you get in.
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Lock/Unlock: Secure or access your vehicle remotely.
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Trunk Release: Open your trunk for hands-free loading.
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Panic Button: Trigger the alarm to find your car or deter threats.
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Two Auxiliary Channels: Control windows, dome lights, or other custom features.
Vehicle Status & Diagnostics
The Viper SmartStart app provides more than just control; it offers peace of mind. You can check the real-time status of your car to see if it's currently running, armed, or if any doors are open. It also monitors your battery voltage, sending an alert to your phone if the voltage drops too low, preventing you from being stranded with a dead battery.
Technical Specifications
| Category | Specification |
| Connectivity | 4G LTE / 3G Fallback |
| Operating Range | Virtually Unlimited (Global) |
| GPS Features | Real-time Location, Speed Alerts, SmartFence, Lockdown |
| System Compatibility | Most Viper, Directed, and Python Remote Start Systems |
| App Support | iOS (4.3+) and Android (SDK 1.6+) |
| Network | Verizon CDMA/4G (US Only) |
| Required | SmartStart Service Plan (Annual or Multi-year) |
| Installation | Professional Stealth Dash Installation Recommended |
- Ships within 1–3 business days from our warehouse
- Tracking included with every order
- Free 30-day returns if it doesn’t work for your setup
- 2-year manufacturer warranty
- Authorized dealer guarantee
- Real installer-backed support before and after purchase

Why This Upgrade Makes Daily Driving Better
Ease of Use & Safety
Expandable by Design
FITMENT & INSTALLATION MADE SIMPLE
WHAT VEHICLES IT WORKS WITH
We verify compatibility before you buy, no guesswork.
DIY FRIENDLY IF:
- You're comfortable with basic tools
- You follow provided instructions
PROFESSIONAL INSTALL RECOMMENDED IF:
- Your vehicle requires dash kits or wiring adapters
- You want a turnkey experience
INSTALLATION CREDIT & SUPPORT:
- $75 Installation Credit when purchased online
- Speak to real installers before you buy
- Bring it into one of our locations for install
Why Buying This Here Is Safer Than Anywhere Else
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Verified Vehicle Fit
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Installer Support
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Authorized Products
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Easy Returns
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Physical stores & real installers
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FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS
How do I know this stereo or speaker will fit my car?
Select your year, make, and model using the Vehicle Fit Guide at the top of the page. You’ll only see products that are compatible with your exact vehicle setup.
What happens if I order something that doesn’t fit?
You can return or exchange it within 30 days. We’ll help you identify the correct part for your vehicle so you don’t have to guess again.
Are these products brand new and covered by warranty?
Yes — all products are brand new, authentic, and sold as an authorized dealer, which means they include a full manufacturer warranty.
Can you install this for me, or do I need to do it myself?
You can do either. Install it yourself, or use your $75 installation credit at our shop and have it professionally installed by our team.
What if I don’t know what to choose for my car?
Tell us your vehicle and what you want to improve (sound, bass, CarPlay, etc.). We’ll recommend the exact products that fit your car and your budget.
