Racing Dynamics

Racing Dynamics Catted Downpipe with Heat Shield - BMW S63 / F90 M5 2017+

Regular price $1,768.00
Sale price $1,768.00 Regular price $1.00
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Fitment Guaranteed

High quality parts with proper fitment.

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Easily return your order if you're unhappy with it. Hassle-free.

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Product description

Catted downpipes from Racing Dynamics for the most powerful BMW M5 F90 2017 on. These BMW M5 F90 downpipes are full 3" downpipes and are manufactured out of 304 stainless steel with 200 cell sport cats and our heat shielded protection. 
Our Gen2 Downpipes now include flex joints in the seconday pipes to improve engine vibration resistance and reduce installation time. The downpipes also include O2 sensor bungs and mounting bracket in OE locations. Straight-through tubing section replaces the heavy and restrictive OEM catalytic converters for maximum power and sound; recommended for track/off-road use only. For left hand drive models only!

  • Large 3" diameter TIG welded 304 stainless steel piping straight-through design allows for maximum power and sound
  • Improves horsepower and torque significantly - over 50 HP
  • Direct bolt-on replacement for OEM primary catalytic converters
  • Now available with 200 cell sport catayltic converters for more HP, less thermal load on the turbocharger and yet enviromently friendly. Direct bolt-on replacement for OEM primary catalytic converters
  • Less back pressure improves turbo response and reduces turbo lag

    These parts are intended for off road or track use only! This product is sold for off road use only. It is not legal for use on public highways.
    This product is not for sale or use in California. It is available to our international customers for use within legal limits in their domicile.

Shipping & Return

How is shipping calculated?

Shipping cost is based on weight and size. Just add products to your cart and use the shipping estimate tool before checkout to see the shipping costs to your address!

What is your return policy?

We do accept returns. Please email us at to submit your request. Items sent to us without submitting a request will not be accepted.

We have a 14-day return policy, which means you have 14 days after receiving your item to request a return. Customer service is absolutely at the top of our values here at Brox Tuning and we try our best to make the return process painless for our customers. If you need more info please click here for our detailed return policy.

When will my order ship?

Once an order is placed, if the item is in stock we will have it shipped out within 2 business days. Out of stock items will need 1-2 weeks to be shipped. Please email us if you have any questions regarding items in stock at

Do you ship worldwide?

We can ship worldwide. If you are outside of Canada or USA, please contact us

Local Pick Up

If you are local to our physical location you have the ability to choose the "local pick up" option at checkout! This means you can come and get your items once they are available for pick up avoiding shipping costs. In stock items are usually ready within 1-3 hours. Out of stock items will need 1-2 weeks. Get in touch with us if you have questions about stock levels at or call us at 416 798-BROX