SKU: 85468411809

MAD BMW F90 M5 F92 M8 FAT BOY Primary Downpipes S63R

Sale price$213.57 Regular price$237.30
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 17 - Aug 22

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Description

MAD BMW F90 M5 F92 M8 FAT BOY Primary Downpipes S63RDescription Presenting the all new MAD F90 M5 FATBOY Primary Downpipes our most expansive offering to date! Crafted for unrivaled performance, these cutting edge downpipes are meticulously engineered with a singular objective: to accommodate the most substantial piping diameter achievable between the flanges. Objective successfully achieved! Crafted from premium quality T304 stainless steel, these downpipes are built to last. They are mandrel bent for

Presenting the all-new MAD F90 M5 FATBOY Primary Downpipes – our most expansive offering to date! Crafted for unrivaled performance, these cutting-edge downpipes are meticulously engineered with a singular objective: to accommodate the most substantial piping diameter achievable between the flanges. Objective successfully achieved!

Crafted from premium-quality T304 stainless steel, these downpipes are built to last. They are mandrel-bent for maximum flow and feature smooth, non-restrictive transitions that minimize turbulence and improve exhaust gas flow. The result is a noticeable increase in power and torque, along with a more aggressive exhaust note that will turn heads on the street and at the track.

Installation is easy and straightforward, with no cutting or welding required. The MAD F90 M5 Primary Downpipes are designed to bolt directly onto your BMW F90 M5's factory exhaust system, and they come complete with all necessary hardware and gaskets for a hassle-free installation.

So if you're looking to take your BMW F90 M5 to the next level, the MAD F90 M5 Primary Downpipes are the perfect upgrade. Don't settle for a stock exhaust system – unleash the full potential of your engine with these high-performance downpipes.

Features:

  • Compatible with right-hand drive and left-hand drive vehicles
  • Smooth bends for maximum airflow without any drone
  • Up to 30HP increase on the stock turbos, even more on upgraded turbos
  • Lifetime warranty on defects and fitment
  • 90 day return period
  • All orders ship in 1-2 business days
  • Spot on fitment
  • Flex section

Fitment:

  • 2018+ BMW F90 M5
  • 2019+ BMW F92 M8
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 85468411809

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4.4 ★★★★★
Based on 10 reviews
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Verified Purchase
Richard H.
West Palm Beach, US
★★★★★ 1
These shoes ARE NOT LEATHER as advertised!
Size: 14, Color: Black
I own 4 pair of Marc Joseph shoes. All were Amazon advertised as Leather uppers and received as such. Made in Brazil out of real leather. Good quality shoes and a fair price. My recent purchases of 2 pair of Marc Jospeh shoes are Amazon advertised as" Leather Uppers". They are NOT leather and I sent them back to Amazon. Made in China. To me this is a bait and switch. Product descriptions should be honest and complete and reveal origin. My previous purchases stated "Made in Brazil" and "Leather Uppers." Since they were Marc Joseph, I thought these 2 recent pair were creditably described so I ordered based on my prior satisfied experience. Shame on me. Marc Joseph has lost a loyal customer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2025
A
Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
Great shoes
Size: 12, Color: Black
These are great. We buy them again and again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
W
Verified Purchase
William J Becker Sr
Natrona Heights, US
★★★★★ 5
Sleek and classy loafer
Size: 10.5, Color: Black
Was skeptical on this purchase but I have to say, well worth it. Not super expensive but very comfortable. Wears well for summer dress attire for taking your lady out for a dinner or show. Casual yet classy. Not a bad buy.
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Reviewed in the United States on March 14, 2026
D
Verified Purchase
Doc
New York, US
★★★★★ 5
Great price great shoe
Size: 12, Color: Burgundy Polished Full Grain
Excellent shoe. Tried the Sebago penny loafer and the sizing was ridiculous. These J and M are sized perfectly. I’ve had them before and they wear like iron. Very comfortable right out of the box.
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Reviewed in the United States on May 23, 2026
R
Verified Purchase
roger mendes
Lexington, US
★★★★★ 5
One of the best shoes
Size: 9.5, Color: Black Polished Full Grain
Outstanding. Fashionable, most comfortable and good construction. No sines of use after quite some time. Highly recommended.
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Reviewed in the United States on March 21, 2026

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