Truck Customization & Diesel Performance in New Braunfels TX

At Texas Complete Truck Center, we specialize in professional truck customization, diesel performance upgrades, and lift kit installations. Whether you’re looking for increased power, improved towing, off-road capability, or a custom look, our experienced team delivers builds that perform as hard as they look.

Diesel Performance Upgrades

  • High-Flow Cold Air Intakes – Increased airflow & horsepower
  • Custom Turbocharger Installations – Serious power gains
  • Fuel System Upgrades – Reliable high-performance output
  • Heavy-Duty Suspension Upgrades – Improved handling & towing stability
  • Performance Optimization – Built around your goals

Custom Exhaust Systems

Custom exhaust systems reduce back pressure, improve engine flow, and increase horsepower and torque while providing a deep, aggressive sound.

  • Reduced back pressure
  • Increased horsepower & torque
  • Improved fuel efficiency
  • Deep aggressive rumble or refined tone
  • High-flow mufflers & durable piping
  • Precision-welded construction

Tuning & Programming

  • Custom ECU calibration
  • Optimized fuel mapping
  • Boost pressure adjustments
  • Towing-specific tuning
  • Fuel economy tuning
  • Performance & off-road tuning setups

Lift Kits & Suspension Systems

  • Increased ground clearance
  • Leveling kits & full suspension lifts
  • Improved off-road performance
  • Enhanced towing stability
  • Bold, commanding appearance

Custom Fabrication

  • Custom exhaust fabrication
  • Intercooler & turbo piping
  • Heavy-duty bumpers & skid plates
  • Bed modifications & roof racks
  • Suspension components
  • Fully custom performance builds

Using high-quality materials and precision craftsmanship, Texas Complete Truck Center ensures every build meets the highest standards of performance and reliability. From subtle upgrades to full custom trucks, we deliver results that look better, perform stronger, and last longer.

Diesel Performance Q&A

+ What diesel trucks do you work on?

We work on Powerstroke, Cummins, and Duramax platforms. Whether your truck is built for towing, daily driving, or off-road performance, our New Braunfels diesel shop can handle it.

+ How much horsepower can I gain?

Gains depend on your setup, but upgrades like custom tuning, turbochargers, exhaust systems, and fuel system enhancements can deliver significant increases in horsepower and torque.

+ Do lift kits affect ride quality?

When installed properly with quality suspension components, a professional lift kit can maintain — and often improve — ride stability and handling.

+ What are the benefits of a custom exhaust system?

A custom diesel exhaust improves airflow, reduces back pressure, increases horsepower and torque, and enhances sound — whether you want aggressive or refined.

+ Is custom tuning safe?

Yes. Our diesel tuning services in New Braunfels, TX optimize fuel maps, boost levels, and engine parameters safely based on your truck’s modifications.

+ Do you offer custom fabrication?

Absolutely. We build custom turbo piping, intercooler systems, heavy-duty bumpers, skid plates, suspension components, and one-of-a-kind performance builds.

+ Do you serve areas outside New Braunfels?

Yes. We serve diesel truck owners throughout New Braunfels, San Antonio, San Marcos, and surrounding Central Texas.