Bully dog’s rule of thumb for exhaust, Introduction – Bully Dog 82222 Rapid Flow User Manual
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RAPid FlOW inSTAllATiOn
Rapid Flow Exhaust # 82222
INTRODUCTION
The Bully Dog Rapid Flow Exhaust Systems have been specially designed to allow the lowest man-
drel bends in the industry. The lower mandrel bends allow increased air flow which reduces exhaust
temperatures, improves engine efficiency and increases horsepower. This instruction set covers the 4”
Rapid Flow Dual Aluminized Exhaust for the ‘94-’02 Dodge Cummins 5.9L.
BULLy DOg’S RULE OF ThUmB FOR ExhAUST
note: this instruction set and the rapid Flow Exhaust systems included are made exclusively for the ‘94-’02
Dodge Cummins 5.9L.
300 HP
400 HP
500 HP
600 HP
4” Exhaust
Systems for
HP Applications
Less Than
450hp
5” Exhaust
Systems for
HP Applications
Between 450hp
and 550hp
6” Exhaust Systems
for HP Applications
over 550hp
4”
Ceramic-Coated
Exhaust System
for all HP
Applications