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Experience unparalleled performance and durability with our enhanced Dodge/RAM truck exhaust manifolds, specifically designed for 5.7L HEMI engines. Our BD upgraded manifolds address common exhaust manifold bolt failures by incorporating extended fasteners and spacers that effectively withstand thermal expansion. In addition, we've engineered independent mounting locations for the heat shield, separating it from the mounting bolts to further enhance reliability. Crafted with precision, our BD Manifolds boast a robust, thicker design, and are constructed from high-silicon ductile iron to combat warping, ensuring your vehicle remains at peak performance for the long haul.
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The instructions were clear and helpful. Easy to install for a shade tree mechanic!
These are so far above the OEM manifolds that there is no comparison, you can see and feel the difference right out of the box. These things must weigh at least 2 pounds or more each. The castings, machining and fitment of these manifolds is excellent! On top of that all of the hardware is provided and is of top quality. Thank you for making these!!
The casting and machining quality of these manifolds was top notch. Passenger side installs easily. Driver side has some obstructions. leave the y pipe unbolted from the passenger side and hanging down to give you room to slide the drivers side manifold in. Also unbolt the steering link at the top. This will allow you to swing it out of the way. The only problem I encountered was with the drivers side gasket. I didn't check it before I installed it and one of the bolt holes wasn't punch out completely and prevented the bolt from being installed. No problems once I removed it. After dealing with the warped factory manifolds and 2 sets of cracked shorty headers, I hope these last for the duration of my ownership of the truck. I've spent way to many hours crammed in the fender wells of this truck.
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