Exhaust› Exhaust Pipes, Systems and Components

ARM Motorsports

3" Catless Downpipes for BMW N54

$327.00

SKU: N54DPRWD-1

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 ARM Motorsports N54DPRWD-1 is a set of 3" catless downpipes designed for BMW N54 engines. These downpipes eliminate the restrictive OEM catalytic converters, allowing exhaust gases to flow more freely.
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The ARM Motorsports N54DPRWD-1 is a 3-inch catless downpipe system engineered to enhance exhaust flow for BMW vehicles equipped with the N54 engine. By removing the restrictive factory catalytic converters, these downpipes allow the exhaust system to breathe more freely, contributing to increased horsepower and torque. Constructed to directly replace the stock downpipes, the ARM Motorsports N54DPRWD-1 aims for a straightforward installation process, though professional installation is always recommended for optimal results. The 3-inch diameter piping is optimized for the N54's exhaust characteristics, ensuring maximum flow potential. Please note that removing catalytic converters may have emissions implications and could require tuning for optimal performance and to avoid check engine lights.

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

BrandARM Motorsports
Part NumberN54DPRWD-1
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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