~(32 lbs. 18X17X9)~ Direct Mount 4 inch PRXB High Performance Exhaust Brake Kit For 03-04.5 Dodge RAM Cummins with Existing Onboard Air Pacbrake

Name: ~(32 lbs. 18X17X9)~ Direct Mount 4 inch PRXB High Performance Exhaust Brake Kit For 03-04.5 Dodge RAM Cummins with Existing Onboard Air Pacbrake
Brand: Pacbrake
SKU: P00S C44031
Price: 990.14 USD
Availability: InStock

$1,100.15 $990.14 Save $110.01

SKU: P00S C44031

In Stock

Ships by Jun 20

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Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The Pacbrake C44031 is a direct mount 4-inch PRXB (Pressure Regulated Exhaust Brake) high-performance exhaust brake kit designed for 2003-2004.5 Dodge RAM Cummins 5.9L ISB 24 Valve with Standard Transmission (Built up to January 4, 2004). It provides significant braking power at lower RPMs and features a spring-controlled pressure-regulated mechanism to prevent engine overpressure.

Fitment

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Specifications

Brand	Pacbrake
Part Number	P00S C44031

Videos

DIESEL TALK | PACBRAKE PRXB EXHAUST BRAKE

P59 LoadLeash Engine Brake by Pacbrake

5.9 Cummins start up and exhaust brake.

Pacbrake Direct & Inline Exhaust Brake Mounts Explained

WHY Did I Go Without This For So Long! PACBRAKE PRXB Exhaust Brake

PRXB EXHAUST BRAKE from PACBRAKE. THE BEST EXHAUST BRAKE!!!

Pacbrake PRXB Exhaust Brake Install | Cummins Heavy Load | Operational Test at the End

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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