FEATURES:
Stainless steel
Increased performance
Lower EGT's
Faster turbo spool
 
This MBRP 4" Stainless Steel Downpipe for the Cummins 5.9 (2003-2004) is the perfect performance upgrade for your Cummins 5.9 engine. It is designed to unleash the power of your engine, improving torque and horsepower while reducing exhaust backpressure. Constructed from T409 stainless steel ensures long lasting performance, and its 4" diameter tubing provides maximum airflow. Installation is simple and can be completed with basic hand tools. This downpipe is the perfect choice for increased power and improved sound.
 
FITS- 2003-2004 Dodge Cummins w/ 5.9L
 
PART NUMBER:
DS9405