BD Diesel Exhaust Manifold Up-Pipe – Part # 1043803

The BD Diesel 1043803 exhaust up-pipe is engineered as a durable replacement for the factory up-pipes, commonly prone to leaks and deterioration over time. Designed specifically for the passenger side on select Chevrolet Silverado 2500 HD models from 2001 to 2004, this high-quality component ensures a secure, leak-free connection between the exhaust manifold and turbocharger. The stainless steel construction offers superior resistance to corrosion and heat loss, providing a long-lasting solution that maintains optimal exhaust flow and engine performance.
The BD Diesel up-pipe features 304L stainless steel tubing with a 2-inch diameter, which helps minimize restriction to turbocharged airflow. Internally shielded expansion bellows accommodate thermal expansion, preventing stress cracks and prolonging component life. Precision cast stainless steel flanges guarantee a proper fit, eliminating exhaust blowouts and ensuring reliable sealing during demanding fleet operations. Additionally, the smooth mandrel bends optimize exhaust gas flow without compromising the internal diameter, enhancing turbo efficiency and responsiveness.
Please note that this up-pipe requires an aftermarket downpipe for installation, as it does not fit with the stock OEM downpipe. This upgrade is ideal for fleet operators and mechanics seeking a long-term, high-performance solution for exhaust system maintenance or performance upgrades. Proper installation coupled with routine inspection will ensure consistent operation and durability under severe towing conditions and high horsepower applications. The BD Diesel up-pipe is a straightforward upgrade that complements other engine or transmission repairs, providing reliability and performance for heavy-duty diesel trucks.

Features:

• Heavy-duty stainless steel construction designed to withstand severe fleet duty and high-temperature environments

• Internally shielded stainless steel bellows to accommodate thermal expansion and prevent cracking

• Precision cast stainless steel flanges ensure proper fitment and prevent exhaust blowouts

• Smooth mandrel bends improve exhaust gas flow and turbocharger response

Fitment:
Chevrolet Silverado 2500 HD Base 2001 to 2004
Chevrolet Silverado 2500 HD LS 2001 to 2004
Chevrolet Silverado 2500 HD LT 2001 to 2004
Chevrolet Silverado 2500 HD WT 2004
Chevrolet Silverado 3500 Base 2001 to 2004
Chevrolet Silverado 3500 LS 2001 to 2004
Chevrolet Silverado 3500 LT 2001 to 2004
Chevrolet Silverado 3500 WT 2004
GMC Sierra 2500 HD Base 2002 to 2004
GMC Sierra 2500 HD SL 2001 to 2002
GMC Sierra 2500 HD SLE 2001 to 2004
GMC Sierra 2500 HD SLT 2001 to 2004
GMC Sierra 2500 HD WT 2003 to 2004
GMC Sierra 3500 Base 2002 to 2004
GMC Sierra 3500 SL 2001 to 2002
GMC Sierra 3500 SLE 2001 to 2004
GMC Sierra 3500 SLT 2001 to 2004