1988-1998 Cummins 5.9L BD Diesel Exhaust Manifold 3 Piece (1045948)Great as a stock replacement, our 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 reduces the turbine drive pressure

Mahle offers OE specifications and fitment and is a direct replacement of all your OE Gaskets and Seals

Re-torqueing the head changes the valve lash setting

and throttle mapping to maximize the potential of your naturally aspirated engine

ARP main and head studs are a must have item

A drop-in stock installation

9L Dynomite Diesel Brand New 150% Over (DDPN325-300)

The true-radius design of ARP tapered ring compressors is far superior to conventional tapered devices

Remanufactured injector Set

towing as well as heavy-duty performance needs

Tall 1-inch internal and 3/4-inch external cooling fins further help with heat dissipation

cast-iron housings for Dodge

It features our ported KC compressor cover