SKU: 63360113122

MAD US N55 Catted Downpipe BMW M135 M235 M2 335 435 4.0"

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

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

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Description

MAD US N55 Catted Downpipe BMW M135 M235 M2 335 435 4.0"Upgrade from the stock N55 downpipe to the MAD N55 catted downpipe for maximum airflow, power, and sound! Introducing the Mad Catted N55 Downpipe, the perfect upgrade for BMW enthusiasts looking to enhance their vehicle's performance and exhaust sound. Crafted from premium quality 304 stainless steel, this downpipe is built to withstand extreme temperatures and harsh driving conditions. The smooth transition of our piping design ensures maximum

Upgrade from the stock N55 downpipe to the MAD N55 catted downpipe for maximum airflow, power, and sound!

Introducing the Mad Catted N55 Downpipe, the perfect upgrade for BMW enthusiasts looking to enhance their vehicle's performance and exhaust sound.

Crafted from premium quality 304 stainless steel, this downpipe is built to withstand extreme temperatures and harsh driving conditions. The smooth transition of our piping design ensures maximum exhaust flow, which results in increased horsepower, torque, and throttle response.

The Mad Catted N55 Downpipe is also equipped with high-flow catalytic converters, which help to reduce harmful emissions while maintaining optimal performance levels. The catalytic converters are engineered to deliver maximum flow and minimal back pressure, which results in a noticeable improvement in engine sound and overall driving experience.    

The downpipe is designed to bolt-on directly to the stock exhaust system and does not require any cutting or welding, making installation quick and hassle-free. The Mad Catted N55 Downpipe is also compatible with aftermarket exhaust systems, providing you with endless customization options to suit your preferences.

Don't settle for stock performance - upgrade to the Mad N55 200 Cell Race Catted Downpipes and experience the true potential of your BMW.

Race use only 

Features:

  • Smooth bends for maximum airflow without any drone
  • 200 Cell euro 5 catalytic converter 
  • Reduces smell while retaining maximum performance 
  • Up to 30HP increase on the stock turbos, even more on upgraded turbos
  • Lifetime warranty on defects and fitment
  • Spot on fitment
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: 63360113122

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4.7 ★★★★★
Based on 11 reviews
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M
Verified Purchase
Mike
Fort Morgan, US
★★★★★ 5
Good Fit Out of the Box
Size: 9, Color: Black
The shoes came with the correct size and is a good fit. They were originally pretty stiff, but are much better now after breaking them in. They look good. but as other's have said, they are made of synthetic leather and in my opinion have kind of a plastic look to them. The quality is good with ridged rubbber soles. I thought they were kind of expensive, but then again I haven't purchased these type of shoes in a while. A family member told me that if they were real leather, they would have been a lot more expensive. For what the shoes are I would recommend the purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2025
M
Verified Purchase
Mar Ronquillo
Carnegie, US
★★★★★ 3
I wanted to love these
Size: 9, Color: Black Leather
These are very good looking in person, especially the buckles and the pop of red on black. Alas, I have another pair of Marc Joseph shoes to compare comfort and fit, and this pair simply hurts my feet.
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Reviewed in the United States on May 31, 2026
W
Verified Purchase
Wei
Waukegan, US
★★★★★ 5
Fitness
Size: 9, Color: Black Leather
Comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
R
Verified Purchase
racheli kuber
Dallas, US
★★★★★ 1
very poor quality
Size: 14, Color: Black
they are a peice of garbage, within about a month since i started wearing them the outer material started pealing off within two months the upper separated from the soles so i had to go to a shoemaker to sew them back together, within some few months the insoles completely wore out rendering the shoes unwearable, now mind you that i do not abuse shoes but use them in a normal office oriented enviorment, i will for sure not be buying these shoes again
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Reviewed in the United States on May 25, 2026
K
Verified Purchase
K 8bro
Lake Worth, US
★★★★★ 4
Fit over a rather large bunion!
Size: 13 Wide, Color: Mocha Grainy Leather
Very comfortable…didn’t pinch toe bed. Attractive!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026

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