SKU: 18644761712

MAD BMW S58 3.5" Fat Boy Downpipes M2 M3 M4 G87 G80 G82 G83

Sale price$135.45 Regular price$150.50
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

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Description

MAD BMW S58 3.5" Fat Boy Downpipes M2 M3 M4 G87 G80 G82 G83The MAD 3. 5" S58 Fat boy is the largest BMW S58 catless downpipe on the market! Upgrade from the stock S58 downpipes to the MAD 3. 5" Fat Boy S58 catless downpipes for maximum airflow, power, and sound! Upgrade to the MAD BMW 3. 5" Fat Boy S58 downpipes to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipes, your turbos can now spool faster and achieve maximum power. As a bonus, your car will sound a

The MAD 3.5" S58 Fat boy is the largest BMW S58 catless downpipe on the market!

Upgrade from the stock S58 downpipes to the MAD 3.5" Fat Boy  S58 catless downpipes for maximum airflow, power, and sound!

Upgrade to the MAD BMW 3.5" Fat Boy  S58 downpipes to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipes, your turbos can now spool faster and achieve maximum power. As a bonus, your car will sound a lot nicer as well.

Expect up to a 30HP increase on a tuned BMW S58 with stock turbos, even more on cars with upgraded turbos.

The flex pipe Section will help reduce the stress and unwanted vibration from the downpipes.

Features:

  • Largest 3.5'' Diameter piping compared to standard 3''
  • 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:

  • 2021+ BMW M3 G80
  • 2021+ BMW M4 G82 G83
  • 2023+ BMW M2 G87
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: 18644761712

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4.6 ★★★★★
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The technician and crafter
Alexandria, US
★★★★★ 5
Two packs no breaks
Number of Items: 500
I've ordered two packs of these now for lunch. Over the course of 2 years. Works very well. Never had a fork break. Biggest complaint with other brands is I've had forks break.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2024
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Verified Purchase
Gabby Bon
Dallas, US
★★★★★ 5
Great Plastic Forks
Number of Items: 500
These are a very good disposable fork. They are great for using while entertaining and no clean up! Very durable.
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Reviewed in the United States on July 29, 2023
H
Verified Purchase
H E McCartney III
Port Orchard, US
★★★★★ 5
Sturdy and strong
Number of Items: 500
For plasticware and the price these were amazing. I was surprised they were sturdy and durable. I do not think any broke at the picnic.
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Reviewed in the United States on May 15, 2024
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Verified Purchase
Jennifer OKelley
Alexandria, US
★★★★★ 5
Love the pans with lids!
Size: 25 Pack w/ Lids
Great quality. So convenient to keep on hand. The lids allow an easy and secure seal.
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Reviewed in the United States on May 18, 2026
C
Verified Purchase
CRISTINA E.
Grantham, US
★★★★★ 5
Excellent quality at a reasonable price.
Size: 25 Pack w/ Lids
Great quality! Affordable price
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Reviewed in the United States on May 15, 2026

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