B58 Downpipe + Tune Bundle


$700.00 $850.00 Save $150

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The cheapest way to make your B58 faster! The bundle includes your choice of a standard or heat shield BimmerTrend B58 4.5” Downpipe plus your choice of MHD or BM3 License.

Downpipes are in stock and ship right away!

MHD/BM3 License will be fulfilled by Email!

WiFi Adapter Sold Separately 

Universal MHD WiFi Adapter: Here

(works with both MHD & BM3 software)

Upgrade to the BimmerTrend BMW B58 catless downpipe!

Upgrade from your stock B58 downpipe to the BimmerTrend B58 catless downpipe for maximum airflow, power, and sound!

The BimmerTrend B58 Catless Downpipe is a premium aftermarket performance part crafted to enhance your BMW's power and sound. Constructed from high-quality stainless steel, this downpipe optimizes exhaust flow to deliver maximum performance gains.

By removing the catalytic converter, it allows for freer exhaust flow, resulting in improved turbo spool, increased horsepower and torque, and an aggressive exhaust note that will turn heads both on the street and at the track. The BimmerTrend B58 Catless Downpipe is designed as a direct bolt-on replacement for your stock downpipe, making installation straightforward and hassle-free.

Upgrade your BMW's performance and sound with the BimmerTrend B58 Catless Downpipe and enjoy a driving experience like no other.


  • Smooth bends ensure maximum airflow without any drone
  • Up to 30 HP increase with stock turbo, with even greater gains on upgraded turbos
  • Precise fitment


  • 2015+ BMW M240i & Xdrive
  • 2016-2019 BMW 340i & Xdrive
  • 2020+ BMW M340i & Xdrive
  • 2016+ BMW 440i & Xdrive
  • 2016+ BMW 540i & Xdrive
  • 2016+ BMW 740i & Xdrive
  • 2017-2020 X3 M40
  • 2017-2020 X4 M40
  • 2019+ G05 BMW X5 40i & xDrive
  • 2019+ G07 BMW X7 40i & xDrive
  • 2019+ G29 BMW Z4 M40i
  • 2019+ Toyota Supra 3.0L