Exhaust› Headers, Manifolds and Components

Schmiedmann

Sport Manifold with 300-Cell Catalysts for M52/M54

$858.28

SKU: SCM5254

Special Order
Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Schmiedmann SCM5254 is a high-flow sport manifold designed for M52/M54 engines. It includes 300-cell Euro3D4 metal sport catalysts.

The manifold is constructed from stainless steel 304, with a mild steel flange. It features 43x30mm inlet pipes, 50mm outlet pipes after the catalysts, and a 50mm outgoing pipe.
Show original supplier description
The Schmiedmann SCM5254 is a high-flow sport manifold engineered for M52 and M54 engines, featuring integrated 300-cell Euro3D4 metal sport catalysts. Constructed from durable stainless steel 304 with a mild steel flange, this manifold boasts specific dimensions including 43x30mm inlet pipes, 50mm outlet pipes post-catalyst, and a 50mm outgoing pipe. Installation is estimated to take between 9-14 hours, suggesting a complex procedure. It is important to note that the pipes from the catalyst to the rear silencer are not included with this manifold.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSchmiedmann
Part NumberSCM5254
CategoryExhaust
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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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