MAD US B58 Catted 4.5'' Downpipe F, G Chassis & Supra (Up to 2024)
SKU: 80163846009

MAD US B58 Catted 4.5'' Downpipe F, G Chassis & Supra (Up to 2024)

Sale price$238.77 Regular price$265.30
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

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Description

MAD US B58 Catted 4.5'' Downpipe F, G Chassis & Supra (Up to 2024)Upgrade from the stock B58 downpipe to the MAD B58 catted downpipe for maximum airflow, power, and sound! Introducing the Mad Catted B58 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 B58 downpipe to the MAD B58 catted downpipe for maximum airflow, power, and sound!

Introducing the Mad Catted B58 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 B58 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 B58 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 b58 200 Cell Race Catted Downpipes and experience the true potential of your BMW.

Race use only        

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
  • Spot on fitment
  • Flex section
  • 200 CEL high flow cats
    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: 80163846009

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    Tracie
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    ★★★★★ 5
    Great material, sharp looking suit!
    Size: 7, Color: Light Blue
    Very nice suit! We got tons of compliments. Please note it does NOT come with an undershirt. We used this for a First Holy Communion, but I wouldn't hesitate to use it in a wedding! The material was the best that I've seen compared to the four other suits I bought on amazon (I was skeptical and crunched for time)...this won! Great value for the money too. My kid felt very sharply dressed, and wants to find another occasion to wear this light blue suit lol
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    Reviewed in the United States on May 17, 2026
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    Jaclyn
    Natrona Heights, US
    ★★★★★ 5
    Would repurchase
    Size: 8, Color: Beige
    Perfect for a communion. Would absolutely recommend!
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    Reviewed in the United States on May 17, 2026
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    Josefrias
    Carnegie, US
    ★★★★★ 5
    Perfect
    Size: 7, Color: Light Blue
    Love it . Good quality . Value for money . Perfect color . R sizing
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    Reviewed in the United States on April 23, 2026
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    Elkin Mauricio
    Dallas, US
    ★★★★★ 5
    Calidad en Tela y presentación.
    Size: 10, Color: Beige
    El Traje divino, tal como la imagen. Solo le quedó un tris grande a mi hijo y listo.
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    Reviewed in the United States on April 20, 2026
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    Kara Robinson | IG: @booklistfordays
    Battle Creek, US
    ★★★★★ 4
    ⭐️⭐️⭐️⭐️⭐️ Perfect for My Suit-Loving 9-Year-Old 🤍👔✨
    My 9-year-old is obsessed with suits, and this one was a total win! 😍 The 3-piece set (blazer, vest, and pants) makes him feel so grown-up and confident. The linen material is lightweight and breathable, which is perfect for warm weather ☀️ — and it doesn’t wrinkle easily, which I appreciate as a parent 🙌. He loves that he can wear it different ways — full suit, just vest and pants, or blazer and pants. 👌 The fit looks sharp, and the adjustable waist is super helpful. Perfect for weddings, school events, church, or any time he wants to dress to impress. 💙 Definitely a favorite in our house! 🎉
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    Reviewed in the United States on February 28, 2026

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