BD Diesel 2-Piece Pulse Exhaust Manifold w/ T4 Flange for 2007.5-2018 Dodge Ram 6.7L Cummins 1045965-T4

Great as a stock replacement, the BD 1045965-T4 exhaust manifolds were designed with expansion joints and heavy webbing to prevent cracking. The exhaust runner design maintains exhaust velocity to drive the turbine wheel. Runner size does not go beyond the size of the exhaust ports on the head because when the runners are larger, the velocity to drive the turbo is lost due to the expansion and temperature in the exhaust manifold which reduces the turbine drive pressure needed for turbocharger response.

This 6.7L Cummins performance stock replacement manifold is for use with an aftermarket turbo with a T4 flange. It is cast of high silicon ductile iron to withstand extreme temperature cycling caused during DPF regeneration and in high performance applications. The larger porting design will handle any increase in power and the open throat outlet flange outperforms the stock manifold. The thick walled casting and integral slip joint also prevents cracking and exhaust leaks. Experience quick spool times and low drive pressures with an overall increase in performance.

Key Features

• Larger porting design than others maximizes T4 turbocharger’s potential power
• Fully divided pulse manifold design
• 6.7L performance replacement manifold for use T4 mount turbochargers (S300,S400,etc.)
• Fully divided pulse manifold design, allows for quicker turbo response
• Cast of high silicon ductile iron to withstand extreme temperature cycling caused during DPF regeneration and in high performance applications
• Thick walled casting and integral slip joint prevents cracking and exhaust leaks
• Experience quick spool times and low drive pressures with an overall increase in performance
• Fully EGR compatible
• Gaskets set with EGR port, exhaust port and turbo mount gaskets available separately – P/N 1045992-T4

On engines with enhanced fuel flow and larger turbochargers, the principal remains the same. Velocity and temperatures are needed to drive the turbine wheel which turns the larger compressor wheel that supplies the extra volume to attain proper air-to-fuel ratios. Optional manifold gaskets (part# 1045992-T4) sold separately. This Product also comes with BD Diesel’s 3 Year / 75,000 Miles Parts Warranty.