Cast Stainless Steel Exhaust Manifold

We manufacture cast stainless steel exhaust manifolds for cars and trucks.
We are a China factory, Customize exhaust manifolds according to customers’ drawings or samples, Good price.

Request For Quotation

We Manufacture Cast Stainless Exhaust Manifold


Customized Services

From mold design, lost wax casting, to CNC machining, We offer a complete exhaust manifold customization service.

How to produce the Exhaust Manifold

  • Drawing confirmation

    Confirm 3D drawings and machining drawings, Confirm key dimensions and inspection standards

  • Making Molds

    Make a casting mold according to the drawing of the exhaust manifold

  • Investment Casting

    Investment casting is a very critical step for casting exhaust manifold products.

  • Straightening

    It is difficult to avoid casting deformation, so straightening is also a very important step

  • CNC Machining

    CNC milling the mounting surface, drilling hole and tapping

  • Inspection and Package

    100% inspection before shipment,  Can provide customized full-color printing carton and tape

Who are we?

We’re Ningbo tianhui machine company– a leading CNC machining factory located in Ningbo China. Our factory have over 100 employee, we are good at machining stainless steel parts. One of our major business is manufacture stainless steel casting exhaust manifold according to customer’s drawing or sample. 


We are a CNC machining factory located in Ningbo,China. Our factory have 100+ employee and was established in 2007.

No, We are only a manufacturer of exhaust manifolds. We only produce exhaust manifolds according to our customers’ orders. We do not have any inventory. We do not retail exhaust manifolds.

Yes, We can produce it according to your sample. Many customer do not have the drawing, It’s quite normal, we can mapping your sample to get the 3d drawing, then we will send the drawing to you for approval.

If you can provide the 3d drawing, the sample delivery time is around 50-60 days. 30 days to make the casting mold, 10 days for investment casting, and 10-15 days for machining.

If  you can’t provide the drawing, it needs to be extended by about 10 days as the time for mapping and drawing confirmation

Yes, we can.Although most of our products are stainless steel cast exhaust manifolds, we have also produced several kinds iron exhaust manifolds.

Well, we can quote the price quickly once you can send us the drawing.

Many customer do not have the drawings, It’s quite normal, we can quote the price without the drawing, just need few information:

  • Provide several picturies of exhaust manifold
  • Tell us the weight of the product
  • Tell us the total length, total width and total height of the product

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