BD Diesel 20-Degree T4 Exhaust Manifold for 1998.5-2018 Dodge Ram 5.9L & 6.7L Cummins 1045995-T4

BD Diesel is an innovative company and a world class manufacturer. The BD 1045995-T4 exhaust manifolds were designed with an optimum 20 degree flange that helps mounting S400, S500 other larger turbochargers. It has thick walls that allow for drilling/tapping of individual cylinder pyro ports. BD Diesel Performance is unique among its peers: Design, creation and manufacturing of exhaust manifolds are all done in house and the quality and workmanship are impeccable.

Key Features

• Gaskets are available separately
• Larger runner size helps enhance flow through the manifolds
• No restriction throughout rpm
• Cast ports and runners match inlet gasket within 0.03"
• Center Mount can face down or up
• Optimum 20 degree flange helps mounting S400, S500 other larger turbochargers
• Heavy cast HiSi Ductile Iron retains heat energy
• High temperature black coated
• Drilled and tapped 1/8-NPT ports
• Thick walls allows for drilling/tapping of individual cylinder pyro ports
• Heat expansion joints prevents cracking
• Intended for installation with competition turbos
• Some modifications to vehicle/engine components will be necessary

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. This product also comes with BD Diesel’s 36 Month / 75,000 Mile Parts Warranty.