Exhaust› Exhaust Pipes, Systems and Components

Mad

S55 Single Midpipe

$699.00

SKU: MAD-031

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The MAD BMW F8x M3 M4 S55 Single Midpipe is an exhaust component designed to enhance sound and performance. It eliminates back pressure from the stock midpipe, offering potential gains of up to 18 horsepower and 30 torque. It comes with an exhaust brace for straightforward installation and guaranteed fitment.
Show original supplier description
The MAD BMW F8x M3 M4 S55 Single Midpipe is engineered to significantly upgrade the exhaust note and performance of your BMW M3 and M4. By replacing the restrictive stock midpipe, this component allows your S55 engine to breathe more freely, potentially increasing horsepower by up to 18 whp and torque by 30 wtq, especially noticeable on stock turbos and even more with upgraded ones. Installation is streamlined thanks to the included exhaust brace, which ensures precise fitment on the BMW F80 M3 and F82/F83 M4 models. The product comes with a lifetime warranty covering defects and fitment, offering peace of mind for your investment. All orders typically ship within 1-2 business days. * 2015-2019 BMW M3 (F80) * 2015-2019 BMW M4 (F82/F83) It is engineered for the S55 3.0L engine.

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

Fitment Guaranteed

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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

BrandMad
Part NumberMAD-031
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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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