SKU: 60575264929

PacBrake PRXB Exhaust Brake Kit 99-03 7.3L Ford Powerstroke C40009 / C40019

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Description

PacBrake PRXB Exhaust Brake Kit 99-03 7.3L Ford Powerstroke C40009 / C40019Diesel engines, unlike gasoline engines, don't slow down simply by taking your foot off the accelerator; they rely on service and supplemental brakes. An exhaust brake is a form of a supplemental brake, and they work much differently than their conventional counterparts. Introducing the Pacbrake PRXB Pacbrake's flagship product, the PRXB (pressure regulated exhaust brake), is the unquestioned leader in the supplemental brake industry. The patented

Diesel engines, unlike gasoline engines, don't slow down simply by taking your foot off the accelerator; they rely on service and supplemental brakes. An exhaust brake is a form of a supplemental brake, and they work much differently than their conventional counterparts.

Introducing the Pacbrake PRXB
Pacbrake's 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, Pacbrake's 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.


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, Pacbrake's 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.

PRXB Exhaust Brakes: PRXB To The Test
Two trucks, one equipped with a PRXB exhaust brake and the other with our competitors exhaust brake, are traveling down a 5% grade. Both vehicles start descending at the same time while traveling at a speed of 45 MPH. With a sharp corner ahead, both vehicles activate their exhaust brake...

RESULTS AFTER 60 SECONDS
The truck equipped with the PRXB slowed to a safe cornering speed (18 MPH) in just under 1/2 mile. In that same amount of time, the truck equipped with our competitors exhaust brake traveled 450 ft MORE and was still moving at a dangerous 30 MPH. Did this truck slow down in time?

IMPORTANT NOTES:
  • If your truck has been equipped with aftermarket 4" exhaust, you will need to order 2 exhaust adapters (PBC11342) to accommodate for this.
  • Automatic Transmission option includes transmission lockup control. 
Shipping Notes
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SKU: 60575264929

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Jolene Carpenter
Phoenix, US
★★★★★ 5
Excellent
Format: Paperback
Great poet
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Reviewed in the United States on January 28, 2026
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Alicia Pevensie Lavere
Battle Creek, US
★★★★★ 5
Linus's blue blanket
Format: Hardcover
Even though I'm reading the hardcover, I wrap the wonderful, wise words of W.S. Merwin around me. His poems infuse my life with an even keener sense of appreciating the "now." His words keep me in constant contact with my sense of responsibility for our planet. He's an inspiration for taking action to preserve, conserve, and plant trees, as well as recognizing the magnitude of the impact that each being carries. The geese, all animals, relationships, taking better care of the earth and each other, as well as experiencing the sorrows and the joys in life. He is dedicated to the craft of poetry and its vital role of importance in our lives. I wish I could thank him in person, but since that's not realistic, I will continue to do my best to honor him in my own way, by taking time to observe, experience, appreciate, write, take action, and reflect upon the beauty in the world and making the most of each moment. Carpe Diem!
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Reviewed in the United States on January 9, 2019
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Jon. Yungkans
Natrona Heights, US
★★★★★ 5
What Merwin Thought Represented Him Best
Format: Paperback
If one volume could sum up adequately W.S. Merwin's artistic development and illustrate his place in American literature with some justice, "Migration" does the job. At least as importantly, it gives us the poet's own opinion on the poems for which he might want to be remembered, much as Nathaniel Tarn inspired Pablo Neruda to do in the selection of Neruda's poems that Tarn oversaw. I bought "Migration" at roughly the same time as and and cross-referenced his selection from those titles in "Migration" against the whole. While I still have one or two favorites that did not make the cut, I found the choices he made consistently better-inspired and more timeless than the poems that surrounded them (though overall Merwin has remained a consistent and astonishingly fine craftsman throughout his career). For those who want to go further back than Merwin's more recent books for Copper Canyon Press should not be disappointed.
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Reviewed in the United States on February 10, 2016
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Bluestemgirl
New York, US
★★★★★ 5
Nice looking book
Format: Paperback
Seller shipped fast. Book is in good condition As it was described.
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Reviewed in the United States on August 17, 2024
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DB Dehnel
Lake Worth, US
★★★★★ 5
ws merwin's collected poems
Format: Hardcover
it's a hardback and it's in great condition. apparently it's a library book that has been in more than one sale, at one point someone had put a price of fifty cents on it. it's sad that arguably one of the better modern writers did not find a permanent home but that meant a great deal for me. also, i hope the reason the book started its journey wasn't because the library folded but that might explain why the book left the shelves to begin with.
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Reviewed in the United States on May 13, 2020

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