BANKS 51007 RACING EXHAUST MANIFOLD RACE PORTED 1.77 INCH X 1.58 INCH INLET PORTED 2.12 INCH OUTLET FOR 01-16 GM DURAMAX 6.6LLBZ-LML

Part of the Banks Racing line. The best purpose-built cast exhaust manifolds created for racing the Duramax engine. Provides tremendous flow and uniform air distribution. 

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.

For use at sanctioned race events only

Key Features

• Banks' Precision Port Alignment System allows the manifold to expand and contract without shrouding ports
• Proprietary bolt pattern on outlets for ease of bolt installatio, includes gaskets
• Designed and perfected in computer simulations for maximum drive pressure
• Can be mounted stock position or reversed towards the front
• Outlet Flanges sized for 2.25 inch .06 wall tubing
• CNC ported to fit aftermarket big port heads
• Inlets are Race Ported to 1.77 x 1.58 inch
• High silicon moly for extreme temps
• Outlet Bolts M10x1.5 (not included)
• Outlet is 2.125 inch Race Ported
• We recommend using ARP 762-1008 SS Hex M10x1.5 fasteners to the head (not included)
• Does NOT work with OEM or aftermarket up-pipes (Flanges included for fabrication of custom up-pipes)

Elevate your LBZ-LML 6.6L Duramax's performance to new heights with the BANKS 51007 Racing Exhaust Manifold. Crafted specifically for racers, this race-ported manifold boasts a 1.77 inch x 1.58 inch inlet port and a 2.12 inch outlet, designed to maximize power delivery and enhance your engine's capabilities.

The Precision Port Alignment System by Banks empowers the manifold to expand and contract freely without obstructing airflow, ensuring optimal performance at all times. With a proprietary bolt pattern on outlets for easy installation, including gaskets, this exhaust manifold offers convenience and reliability. It is engineered for maximum drive pressure, providing consistent and powerful performance for your race events.

Whether mounted in the stock position or reversed towards the front, this exhaust manifold delivers exceptional results. The CNC porting ensures a precise fit with aftermarket big port heads, while the high silicon moly construction guarantees durability even in extreme temperatures. The race-ported inlets and outlets, along with the special high-temp materials, make this manifold a superior choice for high-performance racing applications.

When compared to other exhaust manifolds on the market, the BANKS 51007 stands out as the best cast Duramax manifold ever produced. With an industry-leading port size of 45mm wide x 40mm high and the largest outlet size diameter of 54mm, this manifold sets a new standard for performance and efficiency. Experience exceptional flow dynamics, port pressure balance, and cutting-edge design with the BANKS 51007 Racing Exhaust Manifold - the ultimate upgrade for your LBZ-LML 6.6L Duramax engine.