Cadillac SRX STS Exhaust Manifold with Catalytic Converter & Gasket Kit Dorman 674-930, 674-931 - 1AEEK00450

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Our aftermarket manifolds are some of the highest quality replacements on the market!

If your vehicle's exhaust is getting loud and the exhaust noise is coming from under the hood or engine then you may need to fix a cracked exhaust manifold. Replacing a broken manifold is easiest with a direct replacement manifold that will fit correctly and bolt up to you original engine and exhaust system. This manifold is a direct fitting replacement.

These exhaust manifold with catalytic converters have been designed to eliminate the faults of the original design.


  • Brand New DORMAN Exhaust Manifolds With Catalytic Converter Assemblies
  • Comes as a PAIR
    • Fits both LH (Driver Side) and RH (Passenger Side)
  • Replaces dealer part numbers: 12567688, 12638982, 12591066, 12607450, 12638996, 12638981, 12567687, 12638999, 12591065, 12607451
  • Direct replacements
  • Replaces original manifolds that are cracked from thermal expansion and contraction
  • Strengthened and redesigned in the vulnerable areas of failure
  • All hardware & gaskets needed for installation are included

Now you can buy a high quality exhaust manifold with catalytic converter pair that is built to strict quality control standards for less than the price at the dealer. REPLACE your broken, warped, or cracked exhaust manifolds now with these great fitting alternatives. This exhaust manifold with catalytic converter pair is a great replacement and has good cost savings over a dealer set.

48 States Only:

Due to shipping restrictions, we can only ship this to a physical address within the Contiguous U.S. (lower 48 states).

Due to state emissions regulations, we cannot ship this item to the state of California as it is not C.A.R.B ( California Air Research Board) approved for use in the state of California.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer. For more information, go to

5 Year Warranty

This item is backed by a 5 Year Warranty. In the event this item should fail during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. 

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Year Make Model Description
2004-2009Cadillac SRX Cadillac SRX Exhaust Manifold with Catalytic Converter & Gasket Kit V8 4.6L Pair Dorman 674-930, 674-931
2005-2010Cadillac STS Cadillac STS Exhaust Manifold with Catalytic Converter & Gasket Kit V8 4.6L Pair Dorman 674-930, 674-931
Only 1 left in stock
Part #: 1AEEK00450

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Brand #: 674-930, 674-931