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Dorman 674-940 Exhaust Manifold for Select Chevrolet/GMC Models
From the manufacturer
Why Do Original Exhaust Manifolds Fail?
Exhaust manifolds carry exhaust gases from the engine to the exhaust system, and therefore have to withstand extreme temperatures. This will wear on any part, but poor design and inferior materials will cause these parts to fail faster.
As exahust manifolds wear out, they can crack and leak. As a result, the engine may become noisier, vehicle performance may suffer, and other parts may start failing as well if exposed to intense heat escaping from the cracked manifold.
Why Are Dorman Exhaust Manifolds Better?
- High-quality metal construction protects against warping or cracking.
- Leak-resistant designs provide long-lasting performance.
- Detailed inspections ensure product standards.
Your order of $100 or more gets free standard delivery.
- Standard delivered 4-5 Business Days
- Express delivered 2-4 Business Days
Orders are processed and delivered Monday-Friday (excluding public holidays)
Austino members enjoy free returns.
