BD Diesel 20-degree Waste Gated Exhaust Manifold T4 Mount (1045996-T4) for 1998.5-2007 Cummins 5.9L
$626.95
The BD Diesel 20-Degree Waste Gated Exhaust Manifold T4 Mount (1045996-T4) is a performance upgrade for 1998.5–2007 Dodge Ram trucks with 5.9L Cummins engines. It features a 20-degree angle and T4 turbo flange to support larger turbo setups, with an integrated wastegate port for precise boost control. Made from high-silicon ductile iron, it enhances exhaust flow, reduces backpressure, and withstands high stress and temperatures—improving power, turbo response, and engine efficiency.
Description
The BD Diesel 20-Degree Waste Gated Exhaust Manifold T4 Mount (1045996-T4) is a high-performance upgrade designed specifically for 1998.5–2007 Dodge Ram trucks equipped with the Cummins 5.9L engine. Engineered to optimize exhaust flow and reduce backpressure, this manifold features a 20-degree angle and a T4 turbo flange, making it ideal for performance applications and larger turbocharger setups. The integrated wastegate port allows for precise boost control, helping to prevent overboost and maintain engine reliability under high-load conditions. Constructed from durable, high-silicon ductile iron, the manifold is built to withstand extreme temperatures and prolonged stress, ensuring long-lasting performance. This BD Diesel manifold is a smart choice for Cummins owners looking to increase power, improve turbo response, and enhance overall engine efficiency.
Additional information
| Weight | 26 lbs |
|---|---|
| Dimensions | 27 × 6.5 × 5 in |
| Brand |
Fitment
1998.5-2007 Cummins 5.9L
Features
- Gasket, Bolt and Spacers kits are available separately
- Better cylinder exhaust evacuation to keep EGTs down
- Combustion Pulse remains constant with the W/G valve closed
- Machined for use with 45mm Hyper Gate or Turbo Smart
- Block off plate and clamp provided
- Gate port area is 1.67 sq. in. – 33% of T4 / 12% of T6 inlet
- Improves turbo response
Installation
Warning
This product CANNOT be shipped to California!
WARRANTY
Parts
- 36-Months
- 75,000 Miles
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Warning
Proposition 65
This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
