Exhaust› Exhaust Pipes, Systems and Components

FI Exhaust

Performance Downpipe

$1,800.00

SKU: BN-GN63-NCAT

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

This downpipe offers improved exhaust flow and turbocharger response, leading to noticeable gains in horsepower and torque. It features an easy bolt-on installation and precision engineering for a perfect fit.
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By replacing restrictive factory components, this downpipe significantly improves exhaust flow and enhances turbocharger response. This results in noticeable gains in horsepower and torque, contributing to a more exhilarating driving experience. The precision engineering ensures an easy bolt-on installation, providing a perfect fit and optimal performance for your BMW G30 M550i. This catless downpipe is specifically designed for the BMW G30 M550i model years 2017-2023, equipped with the 4.4TT N63 engine. It is compatible with Non-OPF (Over-pipe Flap) vehicles only. Please be aware that this product is intended for off-road use and may not be legal for sale or use in California or other areas with strict emissions regulations.

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

BrandFI Exhaust
Part NumberBN-GN63-NCAT
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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