Description
BD Diesel Up-Pipes Kit 1043900 for 1999.5–2003 Ford 7.3L Power Stroke
The BD Diesel Up-Pipes Kit 1043900 is a heavy-duty exhaust manifold up-pipe upgrade engineered for the 1999.5–2003 Ford 7.3L Power Stroke platform. The factory up-pipes on these engines are a well-known restriction point and common failure area due to flex joint fatigue, exhaust leakage, and heat cycling under sustained load. This kit is designed to correct those weaknesses by replacing the OEM components with high-strength, leak-resistant tubing built for long-term durability and improved exhaust flow efficiency.
By improving exhaust gas evacuation from the exhaust manifolds to the turbocharger, this up-pipe kit helps reduce drive pressure losses and improves turbo response characteristics. The result is more efficient spool-up, more consistent boost delivery, and improved overall engine efficiency under towing and heavy-load conditions. This is especially beneficial for 7.3L Power Stroke owners who rely on their trucks for towing, hauling, or long-duration highway operation where exhaust heat and backpressure become critical factors.
Built with heavy-duty construction and precision fitment, this BD Diesel kit is engineered as a direct replacement solution that installs using factory mounting points. It is designed to eliminate exhaust leaks that can rob power, increase exhaust gas temperatures, and reduce turbo efficiency over time.
What’s Included
- BD Diesel heavy-duty up-pipes (driver and passenger side)
- High-temperature exhaust sealing hardware
- Installation hardware kit
- Reinforced flex section components (design varies by application revision)
Features & Benefits
- Replaces restrictive and failure-prone factory up-pipes
- Improves exhaust gas flow to the turbocharger
- Helps reduce exhaust gas temperature (EGT) under load
- Strengthens durability over OEM thin-wall tubing and flex joints
- Reduces exhaust leaks that negatively affect turbo performance
- Improves throttle response and turbo spool characteristics
- Heavy-duty construction designed for towing and commercial use
- Direct-fit design utilizing factory mounting locations
- Engineered for long service life under high heat cycling conditions
- Supports consistent performance in stock and mildly modified applications
Compatibility
- 1999 Ford F-250 Super Duty 7.3L Power Stroke (late 1999.5 split)
- 2000 Ford F-250 Super Duty 7.3L Power Stroke
- 2001 Ford F-250 Super Duty 7.3L Power Stroke
- 2002 Ford F-250 Super Duty 7.3L Power Stroke
- 2003 Ford F-250 Super Duty 7.3L Power Stroke
- 1999.5–2003 Ford F-350 Super Duty 7.3L Power Stroke
- 1999.5–2003 Ford Excursion 7.3L Power Stroke
- 1999.5–2003 Ford E-350/E-450 7.3L Power Stroke (where applicable)
A properly functioning up-pipe system is critical to maintaining turbo efficiency and exhaust integrity on the 7.3L Power Stroke platform. The BD Diesel 1043900 kit addresses one of the most common failure points on these engines, restoring proper exhaust flow and helping ensure stable performance under demanding towing and work conditions.
Shipping Disclaimer
✔️ We ship via USPS, UPS, and FedEx.
✔️ Carrier selection is based on package size, weight, and destination.
✔️ Expedited shipping options available, call to check freight options
✔️ Orders are processed within 1 business day (Monday–Friday).
✔️ Orders placed on weekends or holidays will be processed on the next business day.
✔️ Tracking information will be provided once the item ships.
✔️ Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.
California Proposition 65 Warning
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information, go to www.P65Warnings.ca.gov
