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  • Cummins ISX DPF Exhaust Manifold 2008-2010 3683789
  • Cummins ISX DPF Exhaust Manifold 2008-2010 3683789 - Rear
  • Cummins ISX DPF Exhaust Manifold 2008-2010 3683789 - Angle
  • Cummins ISX DPF Exhaust Manifold 2008-2010 3683789 - Rear Angle

Bully Dog Cummins ISX DPF Exhaust Manifold 2008-2010 3683789

$1,549.99
Product #:  
BDT85103
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Product Description

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Cummins ISX DPF Exhaust Manifold 2008-2010 3683789

*Please Verify OEM Number Before Purchase

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

  • Exhaust Manifold For Cummins ISX DPF
  • Premium Bully Dog Product: It's Not Just A Replacement, It's An Upgrade! 
  • Typically Fits Years 2008-2010
  • 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: 3683789
  • Quality American Made Product

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.

If you should need additional Truck Parts and Accessories, please don't hesitate to call our toll-free number 1-888-888-7990

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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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