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  • Cummins ISX EGR Exhaust Manifold
  • Cummins ISX EGR Exhaust Manifold - Front
  • Cummins ISX EGR Exhaust Manifold - Angled
  • Cummins ISX EGR Exhaust Manifold - Back

Bully Dog Cummins ISX EGR Exhaust Manifold 2004-2007 3682959

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Product Description


Cummins ISX EGR Exhaust Manifold 3682959

*Please Verify OEM Number Before Purchase

*Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications.

Click here to apply for a $50 rebate between July 1st - July 30th, 2021

  • Exhaust Manifold For Cummins ISX EGR
  • Premium Bully Dog Product: It's Not Just A Replacement, It's An Upgrade! 
  • Typically Fits Years 2004-2007
  • Ceramic Coating
  • Hand Ported for Maximum Gains
  • Increased Fuel Mileage of 0.2-0.3mpg
  • Increase of 28-32hp
  • Reduced Turbo Lag
  • Includes Turbo Studs
  • Direct Aftermarket Replacement For OEM #s: 3682959
  • Proudly Made in North America

Designed to out flow other OEM products. Hand ported for maximum gains. Benefits of the exhaust manifold is a fuel mileage increase of 0.2-0.3 miles per gallon, 28-32 horsepower increase, and reduced turbo lag. High tolerance press fit connections resulting in a leak free connection ensuring gases are being delivered to the to the turbo to get the most efficiency and power out of the engine. No cracking, no leaking, no warping. Ceramic coating keeps the heat in which means exhaust gas velocity will flow at peak speed to the turbo delivering all the energy possible. Reduced turbo lag and improve exhaust air velocity.

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Warranty Information

One year warranty covering any defects in material or workmanship
(including any software or firmware malfunctions) in your SCT or Bully Dog branded tuning device (each, a “Product”) within the warranty period.

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