DURAMAX

Sentinel Exhaust Brake for 2001-2010 Chevy & GMC 6.6L Duramax (Heavy Duty)

The Heavy Duty Sentinel Exhaust Brake functions like our standard system but is engineered with reinforced components and a higher-output actuator to handle performance turbochargers and the increased demands of commercial hauling. A high-output, all-electric exhaust braking system engineered to convert up to 80% of engine output into retarding force, delivering industry-leading braking performance for towing and heavy use. By eliminating air systems, vacuum components, and complex plumbing, Sentinel’s electric actuation provides fast, consistent braking with fewer failure points. This is why our durable, simplified design is backed by a true lifetime warranty. Sentinel requires no ECM or TCM programming, installs in about one hour with basic hand tools, and is guaranteed to fit your 2001-2010 Chevy & GMC 6.6L Duramax.

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$1,650.00


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Description


Heavy Duty Sentinel Exhaust Brake for 2001–2010 Chevy & GMC 6.6L Duramax

Features: 

·       Heavy Duty Electric inline exhaust brake — no air system required

·       Designed specifically for the 6.6L Duramax platform

·       Works with or without factory OEM exhaust brakes

·       Installs in under an hour with minimal tools

·       Up to 80% engine braking capability

·       Backed by a lifetime warranty

-    Made for constant heavy towing

 

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Need help confirming fitment?
Contact Bundy Motors: 435-704-2272
Mon–Fri 6AM–6PM • Most Saturdays


Built for Chevy & GMC Heavy Duty Diesel Trucks

Compatible with common applications including:
Silverado 2500HD • 3500HD / Sierra 2500HD • 3500HD
(Model years 2001–2010, varies by configuration)


WHY ADD AN EXHAUST BRAKE TO A DURAMAX?

More Power Requires Better Braking Control

The Duramax platform delivers impressive horsepower and torque, but even factory exhaust brake–equipped models can benefit from stronger, more consistent braking—especially when towing heavy loads or descending long grades.

When towing or hauling, Sentinel helps:

·       Maintain safer downhill speeds

·       Reduce reliance on wheel brakes

·       Minimize brake fade caused by overheating

·       Improve control in mountainous or heavy-load conditions

Sentinel is a practical safety upgrade for Duramax owners who tow frequently, haul heavy loads, or demand maximum downhill control.


SAFETY

Engine Braking Designed for Safer Descents

Long downhill grades and heavy trailers place extreme demands on braking systems.

The Sentinel Exhaust Brake enhances safety by:

·       Helping manage speed on long descents

·       Reducing brake overheating

·       Supporting consistent braking under load

·       Improving driver confidence while towing 

By slowing the engine instead of relying solely on service brakes, Sentinel helps maintain safer, more predictable control.


HOW SENTINEL WORKS

Simple Electric Exhaust Braking

Sentinel uses an electric inline valve to create controlled exhaust back pressure, slowing the engine during deceleration.

What makes Sentinel different:

·       No air compressors or air lines

·       No engine tuning required

·       Independent operation

·       Automated braking control (manual option available) 

This design keeps the system simple, reliable, and well-suited for all Duramax generations.


INSTALLATION

Straightforward Installation — Often Under an Hour

Sentinel is designed for easy installation using basic tools.

Typical installation includes:

1.     Inline exhaust brake mounting

2.     Wiring routing

3.     Controller connection

Because Sentinel operates automatically, it provides consistent braking support without requiring constant driver input—supporting safer downhill braking behavior.


DURABILITY + WARRANTY

Built for Real Diesel Use — Backed for Life

Sentinel Exhaust Brakes are engineered to handle:

·       High exhaust temperatures

·       Heavy towing loads

·       Long downhill grades

·       Years of real-world diesel use 

Every Sentinel Exhaust Brake is backed by a lifetime warranty.


FITMENT

2001–2010 Chevy & GMC 6.6L Duramax

Fitment depends on:

·       Exhaust pipe diameter at the install location

·       Available clearance for inline mounting

·       Existing exhaust routing or modifications

Bundy Motors can assist with fitment confirmation before or after purchase.


FAQ — 6.6L Duramax

Does this work on all Duramax years?
This product is designed to work across allDuramax generations from 2001–2016.

Does it work with factory OEM exhaust brakes?
Yes. Sentinel works with or without an OEM exhaust brake.

Do I need an air system or compressor?
No. Sentinel is fully electric.

Is installation difficult?
No. Most installations are completed in 1–3 hours with basic tools.

Is this suitable for heavy towing and commercial use?
Absolutely. Sentinel is built specifically for heavy diesel applications.


Upgrade Your Duramax for Safer Towing and Descents

Add dependable exhaust braking to your Chevy or GMC Duramax and protect your service brakes on every downhill grade.

Purchase Today!

Questions before ordering? 

Contact Bundy Motors: 435-704-2272 - Mon–Fri 6AM–6PM • Most Saturdays


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