MAD BMW S55 3.5" Fat Boy Downpipes M2C M3 M4 W/ Flex Section MAD-004 MAD-2042

USD 399

Available Options

We are proud to introduce the MAD S55 Fat Boy 3.5" Downpipes. These are the largest BMW S55 M2/M3/M4 downpipes on the market.

Upgrade from the stock S55 downpipes to the MAD 3.5" S55 catless downpipes for maximum airflow, power, and sound!

Upgrade to the MAD BMW 3.5" S55 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 S55 with stock turbos, even more on cars with upgraded turbos.

The flex pipe Section will help reduce the stress and unwanted vibration?caused by heat and engine Movement.?

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 M2 Competition
  • 2014+ BMW M3
  • 2015+ BMW M4

SKU:

MAD-004

A total of 4 guests made comments

Isabella Davis - 2024-03-03

Received my order much faster than expected, and the quality is just impeccable. Great value for the money, and the customer service is top-notch.

Isabella Scott - 2024-03-03

Everything from the ordering process to the fast shipping was perfect. The product quality is superb. Highly recommend their services.

Ethan Walker - 2024-03-03

Exceptional quality at a fair price. The customer service team made me feel valued and respected. A seamless experience from start to finish!

Emily Moore - 2024-03-03

Absolutely love the product! The shipping was fast, and the quality is amazing. The customer service team was also very helpful.

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