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PacBrake Exhaust Brake 2003-2004 with Automatic
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1 23591 Tue September 30, 2008
Recommended By Average Price Average Rating
100% of reviewers None indicated 10.0

Description: PacBrake Exhaust Brake for 2003-2004 Dodge Cummins w/ Automatic Transmission Designed with safety in mind and built on quality, the Pacbrake DirectMount® is a bolt on 'pays-for-itself' product that saves wear and tear on your brakes. When used all the time, this exhaust brake can extend the life of your service brakes by as much as 5 times.

Avoid costly brake work and brake fade and gain peace of mind on the steepest descents. The Pacbrake is an auxiliary braking device used to supplement your standard braking system. Attached directly to your turbocharger, the Pacbrake is activated when the dash switch is on and the throttle is released. A valve inside the brake then moves to restrict the flow of exhaust gases, causing an increase of back pressure. The increased back pressure quickly slows down the engine -- resulting in powerful braking performance the moment you need it. Use of the Pacbrake keeps your brakes cooler, reducing the risk of brake fade and "run-away".

Pacbrake exhaust brakes are designed specifically for individual engine applications to maximize performance and reliability. If you really want to flatten out those mountain declines, save on repairs and reduce the risk of brake fade, you need a Pacbrake -- the choice of 90% of all exhaust brake owners in North America and the exclusive exhaust brake of Freightliner commercial trucks. Mfr. 5 year/150,000 mile warranty. USA.

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Registered: July 2008
Posts: 6
Review Date: Tue September 30, 2008 Would you recommend the product? Yes | Price you paid?: Not Indicated | Rating: 10 

Pros: easy installation, most connections are sealed connectors, can be installed yourself as no welding required
Cons: disengages at low speeds when the torque converter un-locks

Installed the Pacbrake on a 2004.5 auto myself with the instructions provided, no problems. My previous Dodge was the 6 speed and I loved the braking down a complete stop. Unfortunately the automatic trans torque converter un-locks at certain road speeds so you can't have braking down to a complete stop like the stick shift. Takes a few days to get used to the auto trans and Pacbrake as you must shift into tow/haul before releasing the accelerator, but wouldn't tow without one. P.S. the LED light in the Pacbrake switch is cool too, green light Pacbrake ready, orange light Pacbrake applied and red light means conditions are not correct for braking. Doesn't get better then that.

2004.5 Laramie 3500, quad sb, auto, 4X4 srw. Levelled, Pacbrake PRXB, Pacbrake air bags with incab inflation, spray liner. Kodiak slide in camper.
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