Suspension Lifts & Lift Kits
Vehicle-specific lift systems and suspension components for added clearance, capability, and a more aggressive stance.
Performance Parts Installation in Dallas, GA
Accessories, Suspension & Performance Upgrades
Quality parts sourced and professionally installed by one trusted local shop.
B12 Complete Automotive is more than a repair shop. We are an authorized dealer for many manufacturers, with access to a wide supplier network that helps us find quality OEM and aftermarket parts for nearly any repair, accessory, or performance upgrade.
ASE-Certified Experience
OEM & Aftermarket Parts
Authorized Dealer Access
Family-Owned Dallas Shop
Performance-Minded Service
The Right Products and Professional Installation
Choosing the right accessory or performance part matters just as much as the installation. Proper fitment affects how a product looks, functions, sounds, and works with the rest of your vehicle.
Tell us what you want to improve. Our team can help locate compatible products, explain your OEM and aftermarket options, and professionally install the parts that best fit your vehicle and goals.
- Access to a wide network of trusted suppliers
- Quality OEM and aftermarket product options
- Careful installation and final inspection
- Repair, maintenance, and upgrades in one shop
Looking for a specific accessory or performance upgrade? Give us a call! We have access to a wide variety of products and can help you find and professionally install the right parts for your vehicle.
Parts & Accessories
Products We Source & Install
From everyday protection and truck accessories to suspension and performance upgrades, we can help you find the right products and install them correctly.
Leveling Kits
Quality leveling kits for trucks and SUVs, professionally installed for a balanced stance and proper fitment.
Lowering Kits & Handling
Lowering springs, coilovers, shocks, struts, sway bars, and related components for stance, handling, and road feel.
Truck & SUV Accessories
Practical and appearance-focused accessories selected for your truck or SUV, your driving needs, and your budget.
Step Bars & Running Boards
Vehicle-specific step bars and running boards that improve access while complementing the look of your vehicle.
Truck Tool Boxes
Durable truck-bed tool boxes sourced for secure storage, convenient access, and dependable everyday use.
Bolt-On Performance Parts
Intakes and other compatible bolt-on upgrades selected and installed with attention to fitment, reliability, and drivability.
Performance Exhaust & Mufflers
Performance exhaust systems, mufflers, tips, and related components for the sound, appearance, and flow you want.
Performance Brake Upgrades
Compatible performance pads, rotors, calipers, stainless-steel lines, and kits for stronger, more consistent braking.
All-Weather Floor Mats
All-weather and custom-fit floor mats that protect your interior from mud, spills, moisture, and everyday wear.
Tuning & Supporting Upgrades
Help planning compatible supporting modifications and known tuning requirements for select performance upgrades.
Custom Accessories
Looking for something specific? We can search our supplier network for products that fit your vehicle and goals.
Parts Sourcing & Installation
We Help You Find the Right Parts
As an authorized dealer for many manufacturers, B12 can source quality products through a broad supplier network. We help match the part to your vehicle, goals, and budget before professionally installing it.
- Quality OEM and aftermarket options
- Authorized access to many manufacturers
- Vehicle-specific fitment guidance
- One shop for ordering and installation
A Smarter Upgrade Plan
We Consider the Whole Vehicle
Performance work should be planned around more than one new part. An exhaust, intake, suspension component, or brake kit may affect other systems, require supporting hardware, or change future maintenance needs.
- Compatibility with your exact vehicle configuration
- Condition of nearby or supporting components
- Alignment, calibration, or tuning requirements
- Safety, reliability, and real-world drivability
- Follow-up maintenance and inspection needs
Our team reviews product compatibility and installation requirements so you can make an informed decision before work begins.
From Idea to Installation
What to Expect
A clear process helps reduce surprises and keeps the project focused on the way you want the vehicle to drive, sound, stop, or handle.
1
Tell Us About the Vehicle and Your Goals
Let us know whether you want more sound, better handling, stronger braking, improved response, or a combination of upgrades.
2
We Find the Right Product
Our team searches trusted manufacturers and suppliers for compatible OEM or aftermarket options that match your goals.
3
You Receive a Clear Estimate
We explain expected labor and any additional hardware, alignment, maintenance, or supporting work that may be needed.
4
We Install and Inspect the Upgrade
After installation, we inspect the completed work and review relevant follow-up recommendations with you.
Local Performance-Minded Shop
Repair, Maintenance & Upgrades in One Place
B12 Complete Automotive is a family-owned auto repair, accessory, and performance shop in Dallas, Georgia. Our ASE-certified team can look beyond the new part and consider the condition of the systems around it.
If worn brakes, aging suspension components, exhaust damage, fluid leaks, warning lights, or other concerns could affect the upgrade, we will explain what we find and help you decide how to move forward.
- Clear recommendations before installation
- Complete automotive diagnostic and repair capability
- Quality workmanship for repairs and upgrades
- Convenient online appointment scheduling
Conveniently Located in Dallas, GA
Serving Performance-Minded Drivers Across Northwest Metro Atlanta
Visit us at 200 White Park Drive in Dallas, GA. We serve drivers from Dallas, Hiram, Acworth, Kennesaw, Marietta, Paulding County, and nearby communities.
Tell us what you are looking for, and we will help you find and professionally install the right product for your vehicle.
Common Questions
Performance Parts Installation FAQs
Helpful answers before you schedule a performance upgrade at B12 Complete Automotive.
Yes. B12 is an authorized dealer for many manufacturers and has access to a wide network of suppliers. Tell us about your vehicle and what you want to add or improve, and we can help source a quality OEM or aftermarket product and install it professionally.
Yes. We can source and install compatible performance exhaust systems, mufflers, tips, and related components based on your vehicle, desired sound, appearance, and application.
Yes. We source and install many compatible lowering springs, coilovers, suspension lifts, lift kits, and leveling kits. We will review vehicle fitment, current suspension condition, adjustment requirements, and alignment needs.
It depends on the vehicle and components. Some upgrades work without calibration changes, while others require tuning or supporting modifications. We will discuss known requirements before installation.
Yes. Tell us your vehicle, goals, preferred style, and budget. We can search our supplier network, explain compatible OEM and aftermarket options, and help you select a product that fits your needs.
Call 770.505.7711 or schedule online. Share your vehicle year, make, model, trim, and what you want to add or improve so our team can research options and discuss the next step.
Ready to Upgrade Your Vehicle?
Tell us what you want—we can help source the parts and install them professionally.