Exhaust Headers, Manifolds and Components

ATS Diesel

ATS Pulse Flow Exhaust Manifold Kit Fits 2001-2004 6.6L Duramax

$1,079.99

SKU: A00P 204-900-4248

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

ATS Pulse Flow Exhaust Manifolds for 2001-2004 6.6L Duramax engines offer improved performance and reliability. They significantly reduce restriction compared to stock manifolds and up-pipes, increasing airflow by 26%. Cast from High Silica Moly, these manifolds are designed to withstand numerous heat cycles without fatigue, cracking, or warping.

Fitment

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Specifications

BrandATS Diesel
Part NumberA00P 204-900-4248

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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