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- Heavy Duty
- Race Turbos
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Heavy walled manifolds hold in exhaust gas temperatures to enhance turbine pumping efficiency. The runners have been ported to improve velocity and evacuate the cylinders. Manifolds are coated to resist corrosion and are pre-drilled for pyrometer probes. These units replace the old rusted and leaking stock exhaust manifolds that normally require extensive cleaning and machine work to be recovered from warping and distortion. The manifold set comes with both passenger & driver's side units and feed pipe mounting hardware. With the stock manifolds considered a maintenance item due to corrosion and leaking, this set is an excellent preventative replacement item whenever doing other engine work.
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These are awesome once installed, but they are a pain to install when the engine is in the truck. Truck is quieter and has better power and throttle response.Installed Left Lane Diesel up pipes at the same time so it made a difference in the truck for the good.
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