High Performance Exhaust

High-Performance-Exhaust
High Performance Exhaust

Diesel Exhaust Upgrades & Custom Systems for Power and Efficiency

Upgrading your diesel truck’s exhaust system can deliver measurable gains in performance, sound, and reliability. At RG Diesel, LLC in Greeneville, TN, we provide expert high performance exhaust services specifically for heavy‑duty diesel platforms such as Powerstroke, Cummins, and Duramax. Whether you’re seeking more power for towing, efficiency for long highway runs, or an aggressive sound profile, we design exhaust solutions that match your diesel truck’s goals.

Call 423‑823‑9987 or stop by 3460 W Andrew Johnson Hwy to discuss an exhaust upgrade for your diesel truck.

Why Upgrade Your Diesel Exhaust System

Diesel trucks with stock exhaust systems are engineered more for emissions compliance and cost than performance. Upgrading your exhaust can:

  • Increase horsepower and torque
  • Improve turbo response by reducing back pressure
  • Enhance fuel economy under load
  • Produce a clean, powerful exhaust note
  • Reduce heat buildup in the engine compartment

Whether your truck is a daily driver, work unit, or weekend performance rig, a tailored exhaust upgrade can give you the improvements you’re after.

High Performance Exhaust Services

Custom Diesel Exhaust Fabrication

We design and build exhaust systems specific to your truck’s setup, taking into account turbo configuration, engine output, bed or frame clearance, and personal sound preferences.

Performance Muffler Installation

Upgraded mufflers can help balance power gains with a refined or more aggressive exhaust tone. We offer options that improve flow while controlling drone.

Cat‑Back & Turbo‑Back Systems

Whether you choose a cat‑back system or full turbo‑back exhaust, we ensure high‑quality components and precise installation to maximize flow for enhanced performance.

High‑Flow Downpipes

A high‑flow downpipe reduces exhaust restrictions right out of the turbo and sets the stage for increased power and better turbo efficiency.

Heat Management Solutions

Exhaust heat can stress nearby components. We install heat shields and other protective solutions to control temperature and protect your truck’s hardware.
Diesel Exhaust Upgrades & Daily Use

Not all performance exhaust systems are loud or aggressive. We work with you to select and build a system that fits your daily driving, towing needs, and personal preferences. Whether you want a subtle improvement or major performance gains, our team delivers exhaust upgrades that work for your truck and your schedule.

High Performance Exhaust FAQs

Will a performance exhaust hurt fuel economy?

Not when properly matched to your engine and tune. In many cases it can actually improve fuel efficiency by reducing back pressure.

How does turbo‑back exhaust benefit my diesel truck?

Turbo‑back systems maximize exhaust flow from the turbo outlet back, helping reduce back pressure and improve turbo response.

Is a custom exhaust louder than stock?

It can be or it can be refined. We offer options ranging from mild tone enhancement to more aggressive sound profiles.

Do performance exhaust systems affect emissions?

Your installation should comply with local emissions regulations. We help you select components that meet legal requirements in your area.

How long does an exhaust upgrade take?

Installation time varies by configuration but typically ranges from a few hours to a full day depending on custom work.

At RG Diesel, we fix it right the first time with expert service, dependable workmanship, and honest communication you can count on.

Contact Us

Hours Mon - Fri: 8:00 am - 5:00 pm
Service Area East Tennessee, Northeast TN, Southern VA, Tri-Cities area
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