Diesel Power Source® Exhaust Manifold for Cummins® 12-Valve, 2-Piece (SKU 2147)

This exhaust manifold from Diesel Power Source® (DPS) moves the turbo away from the A/C box on the fire wall and provides about 6" of clearance, with additional hood clearance as well. The turbocharger must be re-oriented so that the oil drain tube points straight down.

Comes with:

• 12 bolts
• 6 steel gaskets

Features

• Fits 1988-1998 Cummins® 12-Valve 5.9L engines
• High nickel Ductile Iron
• 2-piece manifold prevents cracking
• Comes pressed together, pressure tested and ready to install 
• Designed based on Computational Fluid Dynamic (CFD) Testing, which will result in quicker turbo spool-up, and increases exhaust gas efficiency
• Vastly improves exhaust flow allowing better fuel efficiency, quicker turbo spool-up, increasing overall horsepower and torque and cooling the end cylinders better. It also has a divided scroll design to improve spool-up.
• Excellent exhaust flow characteristics lower EGT's, improving overall performance
• Drilled/tapped ports, two sizes, for pyrometer and pressure fitting

DPS Item Number: RV-12V-Manifold

Stock manifolds are known to shrink significantly, causing manifold-cracking, gasket problems, and exhaust flow problems created by exhaust port misalignment. The 2-Piece Manifold, on the other hand, allows manifold to expand and contract with heat, eliminating warping and cracking to the manifold, eliminating the dreaded manifold shrinkage. This 2-Piece Manifold has improved air flow allowing better fuel efficiency while increasing overall horsepower and torque.

If you intent on utilizing the stock turbo charger (Holstet HX 35), you will also need to use the wastegate actuator, DCS SKU 3048.

**This Diesel Power Source exhaust manifold has been granted an exemption by CARB, which means they are legal to be installed and used in the state of California.