Banks Power Exhaust Manifold Race Ported 1.77 x 1.58 in. Inlet 2.12 in. Outlet - 51007

If you are a racer and have an LBZ-LML 6.6L Duramax, Gale Banks Engineering offers The best cast Duramax manifold ever. Lay the power down with Banks Big Hoss Duramax Exhaust Manifolds! For high performance, getting the exhaust gasses out of an engine is just as important as getting air into it. These race-ready, high-flow manifolds were designed by Banks for the ultimate in fit and performance.

• Can Be Mounted Stock Position Or Reversed Towards The Front
• Outlet Flanges sized for 2.25 in. .06 wall tubing
• CNC Ported To Fit Aftermarket Big Port Heads
• Inlets are Race Ported to 1.77 in. x 1.58 in.
• High Silicon Moly For Extreme Temps
• Outlet Bolts M10x1.5 not included
• Outlet is 2.125 in. Race Ported
• Does NOT work with OEM or aftermarket up-pipes