• Ford Powerstroke
  • 94-97 7.3L
  • 99-03 7.3L
  • 03-07 6.0L
  • 2008 6.4L
• Dodge Cummins
  • 89-93 5.9L
  • 94-98 5.9L
  • 98.5-02 5.9L
  • 03-04 5.9L
  • 04.5-07 5.9L
  • 07.5-08 6.7L
• GM Duramax
  • 01-04 LB7
  • 04.5-05 LLY
  • 06-07 LLY/LBZ
  • 07.5-08 LMM

Pacbrake PRXB Max Flow

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This 4" PRXB Exhaust Brake is designed with a unique cast housing specifically for 1994-2002 Dodge Ram trucks (equipped with 5.9L Cummins diesel engines and HX/HY35 turbos).

Integrated with the patented PRXB design for the most braking horsepower at low engine RPM's, this brake is engineered to reduce the use of your service brakes while maximizing the exhaust flow.

The 'maximum exhaust flow design' allows waste gate gases to escape the engine faster and spool the turbocharger faster to decrease turbo lag. In turn, this increases horsepower and torque while lowering EGTs (exhaust gas tempatures).

The brake's 5 bolt flange bolts directly to the turbocharger outlet (Directmount™ design) eliminating the restrictive factory flange. Exhaust pipe adapters are available to fit factory and all larger aftermarket exhaust systems.

Pacbrake Max Flow: The Name Says It All
It's Obvious That The Pacbrake Design Will Reduce
EGT's Over Stock Dodge & All Competitor's Versions