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USD 1671.07
Part #: PBC44049

Pacbrake C44049 DirectMount PRXB Exhaust Brake

Vehicle Fitment:
2003-2004 Dodge 5.9L Diesel (Automatic) | See full application list below
Part #: PBC44049
$1,671.07
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Description

Pacbrakes flagship product, the PRXB (pressure regulated exhaust brake), is the unquestioned leader in the supplemental brake industry. The patented PRXB design delivers the strongest braking horsepower, greatest speed reductions and shortest stopping distances possible without the use of service brakes. It maintains optimum retarding performance by maximizing the exhaust backpressure throughout the entire RPM range. Unlike a typical exhaust brake, which requires high RPMs to work properly, the PRXB delivers constant exhaust pressure (braking) as early as 1200 RPM through to the maximum allowable RPM. Controlled by a master ON/OFF switch, Pacbrakes exhaust brakes provide whisper quiet supplemental braking that allows service brakes to be used much less, ultimately saving you money. They have the ability to be left on all the time, making it ideal for in-city driving or for steep, downhill grades. This product pays for itself as less wear on the brake pads means fewer brake jobs.

WHATS SO SPECIAL ABOUT THE PRXB?
In order to have consistent and effective braking over the entire RPM range, it is important (and necessary) to maintain constant backpressure. To achieve this, Pacbrakes patented design has incorporated an additional waste gate on the butterfly valve to regulate the amount of exhaust flow that is being passed through. The flow is controlled by a spring-loaded arm, whose pressure rating and location are key factors in the functionality of the PRXB. Located outside of the housing and away from the heat, the spring is able to maintain its strength and durability for years of proper and precise braking performance.

CREATING & MAINTAINING BACKPRESSURE
Backpressure is created by exhaust flow entering the housing, hitting the closed butterfly valve and being forced back out in the direction it came. It is maintained by the pressure-controlled spring that is located on the outside of the exhaust brake housing.

PREMIUM BRAKING PERFORMANCE
As the engines RPM increase, the spring compresses and the arm moves away from the butterfly valve, therefore releasing more exhaust flow through the orifice. As the RPMs decrease, the spring releases and the arm applies pressure back onto the plate, covering the hole, and ultimately releasing a smaller amount of exhaust flow. There is less than a 10% change in backpressure over the entire RPM range on the PRXB

Features:
  • For Use On Stock Turbocharger
  • Less Wear & Tear On Service Brakes
  • PRXB Delivers Strongest Braking Horsepower
  • Ideal For In-City Driving Or Steel, Downhill Grades
Shipping Restrictions Apply shipping restriction icon This product can not be shipped to these states/provinces: CA

Note: All 2003 - 2004 kits will not work with Banks Turbo Back Monster Exhaust. However they will work with Banks Cat Back Monster Exhaust.

Vehicle Fitment

YEAR MAKE MODEL FOR ENGINE SERIES
2003 Dodge Ram 2500 5.9
2004 Dodge Ram 2500 5.9
2003 Dodge Ram 3500 5.9
2004 Dodge Ram 3500 5.9

Specifications

  • MPN C44049
  • SKU PBC44049
  • GTIN 628480001036
  • ID 19134
  • Manufacturer Name Pacbrake
  • Shipping Weight 35.00 lb.
  • Shipping Length 18 in.
  • Shipping Width 17 in.
  • Shipping Height 10 in.
  • Fuel Type Diesel
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
  • Internal L0.00R1.00

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Questions and Answers

Will I have to do exhaust work?
View Staff Answer 
What is the difference between the direct mount and the inline mount?
View Staff Answer 
Answer

The DIRECTMOUNT is for use on the stock turbocharger. The INLINE MOUNT is a 5" Exhaust Brake For Use w/ 5" Aftermarket Exhaust Systems.

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