Expert Performance and Aftermarket Upgrades in Woodstock, GA

Why Choose Diesel David Inc for Performance Upgrades

ASE-Certified Diesel Specialists

Our team consists of ASE-certified technicians who specialize specifically in diesel engine performance modifications. With extensive experience working on Ford Powerstroke, Dodge Ram Cummins, and General Motors Duramax engines, we possess the specialized knowledge required for professional diesel performance tuning and aftermarket upgrades.

Comprehensive Warranty Protection

Every performance upgrade service comes with our industry-leading 2-year/24,000-mile warranty, providing you with confidence and peace of mind. This warranty coverage demonstrates our commitment to quality workmanship and ensures that your investment in performance modifications is protected.

CARFAX Service Documentation

As a CARFAX Car Care Service Center, we meticulously document all performance upgrades and modifications in your vehicle's service history. This comprehensive documentation adds value to your vehicle and provides a detailed record of all professional modifications for future reference or resale purposes.

Local Expertise for Woodstock and Surrounding Areas

Serving Woodstock, Marietta, Canton, Holly Springs, and Kennesaw, we understand the unique driving conditions and performance needs of local drivers. Whether you're navigating mountain roads near Kennesaw Mountain or hauling equipment through Atlanta traffic, our performance upgrades are designed for real-world Georgia driving conditions.

Common Performance Problems We Address

Insufficient Towing Power and Torque

Many diesel truck owners in Woodstock struggle with inadequate towing capacity for work equipment or recreational vehicles. Our performance upgrades can significantly increase your vehicle's torque output and towing capabilities, making heavy-duty tasks more manageable and efficient.

Poor Fuel Economy and Engine Efficiency

Factory diesel engines often operate below their optimal efficiency levels. Through professional performance tuning and strategic aftermarket upgrades, we can improve your vehicle's fuel economy while simultaneously increasing power output, providing the best of both worlds.

Limited Engine Responsiveness

Stock diesel engines may feel sluggish or unresponsive, particularly under load. Our performance modifications enhance throttle response and engine responsiveness, creating a more engaging and confident driving experience whether you're commuting through Woodstock or working on job sites.



Restrictive Factory Components

Manufacturer-installed components are designed for broad market appeal rather than optimal performance. By upgrading key components such as air intake systems, exhaust components, and fuel delivery systems, we eliminate these restrictions and allow your engine to perform at its full potential.

Customer Success Stories

"This crew should be your first call! They got me and my 2019 Silverado 3500 Dually back on the road in 48 hours! Great experience. Knowledgeable & very skilled mechanics. Check in was quick and easy. They also have a QC after the mech was done. my best experience so far. Many claim to be a Diesel performance shop and experts but Diesel David's proved it."

"I'm a local business owner and I called DD to inquire about some potential upgrades on my 2021 Black Widow F250. That's when I met John, John was awesome! He not only answered the questions I had but he went above and beyond to make sure I had all the pertinent information pertaining to my inquiry. As a first impression they nailed it! I'll definitely be doing business with them."

"Great place for any type of vehicle, however; they specialize In Diesel Trucks. They really know their stuff when it comes to Diesel Engines. I will definitely be going back to Diesel David to get the rest of the truck modifications they suggested."