SUNDAY SPEC

Built for Your Weekend Drive

Performance upgrades. Precision maintenance. Trusted installs for enthusiasts who care how their vehicle looks, feels, and performs.
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All Sunday Spec installations are backed by our 12-month workmanship warranty.

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Warranty Detail

Performance Upgrades

Unlock more power and responsiveness with carefully selected bolt-on upgrades and tuning solutions.

• Intake & Exhaust Systems
• Performance Camshafts & Valvetrain Upgrades
• Forced Induction Systems
• Cooling System Upgrades
• ECU & TCU Tuning
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Suspension & Handling Upgrades

Improve ride quality, control, and overall driving feel with suspension systems tailored to your vehicle and driving style.

• Coilovers & Lowering Springs
• Shocks & Struts
• Air Suspension Systems
• Control Arms & Bushings
• Sway Bars & Endlinks
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Lift Kits & Leveling Kits

Achieve the right stance, clearance, and capability for your truck, Jeep or SUV with properly selected and installed lift and leveling systems.

• Coilover Lift Kits
• Leaf Spring Lift Kits
• Leveling Kits
• Supporting Arms & Bushings
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Wheel & Tire Packages

Dial in the look and performance of your vehicle with properly matched wheels and tires built around your goals and fitment.

• Custom Wheel & Tire Packages
• Mounting & Balancing
• Fitment & Sizing Guidance
• TPMS Sensors & Programming
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Braking Upgrades

Enhance stopping power and confidence with braking solutions designed for performance, daily driving, or spirited use.

• Big Brake Kits
• Performance Pads & Rotors
• Stainless Brake Lines
• High-Temp Brake Fluid
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Truck & Off-Road Upgrades

Build capability and durability for utility, off-road, and overland use with upgrades designed for real-world conditions.

• Truck Bed Accessories
• Step Bars, Fender Flares, & Body Armor
• Recovery Equipment
• Lighting & Accessories
• Overlanding Accessories
Explore Truck & Off-Road

Exterior Styling

Enhance the look, presence, and overall style of your vehicle with exterior upgrades designed to create a more cohesive and finished appearance.

• Spoilers, Wings, Splitters, & Side Skirts
• Body Kits & Aero Components
• Window Tint
• Vinyl Wrap & Exterior Accents
• Exterior Trim & Finishing Details
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Interior Styling

Refine comfort, driver experience, and overall cabin feel with interior upgrades designed to enhance how your vehicle looks, feels, and functions every time you drive.

• Interior LED Lighting
• Seats & Steering Wheels
• Audio Upgrades
• Gauges & Driver Displays
• Floor Mats & Interior Protection
Explore Interior Styling

Maintenance & Inspections

Focused maintenance, diagnostics, and pre-purchase inspections for enthusiast and modified vehicles to keep everything performing as it should.

• Scheduled Maintenance & Fluid Services
• Performance-focused Maintenance for • Modified Vehicles
• Pre-purchase Inspections
• Diagnostics and System Checks
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What Our Customers Are Saying

★★★★★

These guys are passionate about what they do. Did a great job on my truck and look forward to working with them again on my future projects. Highly recommend.

S Jacobs
Roswell, GA
★★★★★

Sunday Spec took care of us quickly! I am so happy to have these guys to turn to!

M Singletary
Bethlehem, GA
★★★★★

These guys are the best. We had work done on our Jeep and couldn’t be happier with the results. They kept us informed throughout the entire process and were transparent every step of the way. I would highly recommend them to anyone looking to upgrade their vehicle.

B Boles
Woodstock, GA
★★★★★

David and team did an awesome job on the MagnaFlow exhaust system on my truck. It sounds so much better now and I get a little better gas mileage! Would highly recommend them for any accessory or performance upgrades!

C Collar
Cumming, GA
★★★★★

Took care of my cousins CT4 BLACKWING with the exhaust system definitely will be coming back with my car best customer service ever

R Smith
Acworth, GA

Transform Your Tesla or EV

Wheel and tire packages, suspension and braking upgrades, exterior and interior accessories, and more!
Improve the driving dynamics and styling of your EV with an upgrade package from Sunday Spec.
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Located in Alpharetta, GA

1360 Union Hill Rd, Suite E
Alpharetta, GA, 30004

Tuesday - Friday: 9am to 4pm
Saturday: 9am to 12pm
Closed Sunday & Monday

Sunday Spec operates by appointment only.
Please call or e-mail to schedule a consultation or service.

Get directions

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Built for a Broad Range of Enthusiast Vehicles

We offer services for domestic, European, and Japanese performance vehicles, as well as trucks, SUVs, and Jeeps. Whether modifying a sport sedan or an adventure vehicle, our focus is on performance both on or off-road

Ready to Start Your Project?

Tell us about your vehicle and goals, and we’ll build a plan tailored to you

Start Your Project