Exhaust Headers, Manifolds and Components

Dorman

EXHAUST MANIFOLD

$631.07

SKU: D00I 674-5014

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Dorman's 674-5014 Exhaust Manifold Kit is a high-quality, precision-engineered component designed specifically for a wide range of vehicle models, including the Chevrolet Kodiak and GMC Topkick series. Manufactured from durable stainless steel, this manifold resists warping, cracking, and leakage, ensuring consistent, long-lasting performance. Dorman's manifold kit not only replicates the fit and function of the original part, but comes complete with necessary gaskets and hardware, making it the ideal choice for both professional mechanics and DIY enthusiasts aiming for a thorough and efficient repair. Symptoms of a failing exhaust manifold that may indicate the need for replacement include ticking noises during engine startup, decreased engine performance, or noticeable exhaust leaks. When installing this exhaust manifold, users will find that its construction speaks to Dorman's commitment to quality and safety, making it an essential component in maintaining your vehicle's exhaust emissions system. Consider purchasing an oxygen sensor and heat shield for a comprehensive exhaust system overhaul to enhance vehicle longevity.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDorman
Part NumberD00I 674-5014

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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