From clean daily-driver upgrades to performance-minded installs, we help trucks, muscle cars, and modern builds look better, function better, and feel dialed in.
Our accessory installation services cover exterior and interior upgrades, functional add-ons, lighting and visibility improvements, towing and utility solutions, and performance-adjacent accessories installed with clean routing, solid mounting, and attention to detail.
Location: Modern Modifications 317 Bluff City Hwy Bristol, TN 37620 US
Tip: If you already have parts in hand, bring them (and any instructions or links). If not, tell us your goal and we’ll help you choose the right setup.
Four Types of Accessory Installation
Choose one upgrade or bundle multiple installs into a cohesive package. We focus on fitment, function, and a clean finished look.
Exterior Accessories
Functional upgrades and styling that looks intentional, not bolted-on.
Exterior accessories should fit right, sit level, and hold up to real use. We install common add-ons with careful alignment, proper mounting points, and finish work that complements the vehicle.
Steps, bars, and exterior trim add-ons
Utility-focused accessories for trucks and daily drivers
Clean alignment and solid mounting hardware
Lighting & Visibility
Upgrades that improve safety and presence without sloppy wiring.
Lighting upgrades only look good when the install is clean. We focus on proper placement, tidy wire routing, and reliable connections so your upgrades work when you need them.
Aux lighting add-ons and appearance upgrades
Neat routing, protected connections, and secure mounting
Aiming and placement checks for a finished look
Interior & Convenience
Comfort, organization, and daily-use upgrades installed cleanly.
Interior accessories should feel factory, not temporary. We install add-ons with careful placement and tidy finishing so your cabin stays clean and functional.
Cabin add-ons that improve everyday usability
Secure mounting and clean finishing details
Solutions for trucks, muscle cars, and performance builds
Performance & Utility Add-Ons
Build-minded installs that support function, stance, and purpose.
When a build is performance-inspired or utility-driven, the details matter. We help install the right supporting accessories with a focus on safe mounting, smart placement, and a cohesive end result.
Upgrades tailored to trucks, muscle, and performance applications
Fitment checks and practical recommendations
Clean installs that match the vehicle’s style and use
Gallery of Work
Check out our most recent installations & builds.
How Our Installation Process Works
Whether it’s a simple add-on or a multi-part package, our process keeps things clear and predictable.
1
Consult & Goals
Tell us what you drive and what you want to improve (function, appearance, comfort, or capability). If you have parts already, bring them along.
2
Plan & Fitment
We confirm fitment and placement, then plan mounting and routing so the final look is clean and the install performs reliably.
3
Install & Finishing
We install with attention to alignment, secure hardware, tidy wiring, and protective finishing details where needed.
4
Final Check
We verify operation, re-check fasteners and placement, and share simple care guidance so everything stays solid long-term.
Care Tips (So Your Upgrades Stay Tight and Clean)
Re-check hardware after the first week of use if the accessory is load-bearing or sees vibration
Hand wash is gentler around new trim and add-ons; avoid aggressive brushes when possible
If you use a pressure washer, keep the nozzle back from seams, edges, and mounted components
Address rattles early; small adjustments prevent long-term wear
Common Questions
Can you install accessories I bought elsewhere?
Yes. Bring the parts and any instructions or links. We’ll verify fitment and recommend anything needed for a clean, reliable install.
Do you work on trucks, performance, and muscle applications?
Yes. We install accessories across trucks, performance builds, and muscle applications, focusing on clean finishing and a cohesive look.
How do I get an accurate quote?
Share your year/make/model, what you want installed, and photos if needed. If you have part numbers or links, include those for the fastest estimate.
Ready to upgrade your build?
Tell us your goals and we’ll recommend the right accessories and a clean installation plan for your truck, muscle car, or performance project.