
Manifold Inlet
Product Description

SUS409 Exhaust Manifold Inlet
Material Selection:
Cast Iron: Traditional, cost-effective, but heavy and prone to rust.
Stainless Steel: Lightweight, corrosion-resistant, and durable.
Tubular Steel: Used for weight reduction and optimized flow paths((Race Cars).
Why you choose us?
1, We are a manufacturer with 30 years of industry experience.
2, Our products are in high quality product with good price.
3, We have fast delivery.
4, We can customize according to your samples or drawings.
5, We do 100% leak test to ensure all the products have no leakage.
Sealing test
Conducting sealing performance test for engine exhaust manifolds can ensure that the products are free from leakage under the specified test pressure preventing engine performance degradation and excessive emissions caused by poor sealing.


All the exhaust manifolds products should undergo sealing performance tests after assembly on their intake pipes, exhaust pipes, and connecting sections.
The product is placed on the test bench with its inlet and outlet sealed and fastened. Then using a brush to apply soapy water to all welded seams, connecting flanges of the intake and exhaust pipes, housing joints, and the sealing area of the plug to check for any bubbles. The presence of bubbles indicates leakage points.

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