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Mad B58 V2 4.5" CATTED DOWNPIPE BMW F, G CHASSIS

Upgrade from the stock B58 downpipe to the MAD B58 catted downpipe for maximum airflow, power, and sound!

Upgrade to the MAD BMW / Toyota Supra B58 downpipe to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipe, your turbo 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 / Toyota Supra B58 with stock turbo, even more on cars with upgraded turbo.

The flex pipe Section will help reduce the stress and unwanted vibration from the downpipes.






Features:

Compatible with right-hand drive and left-hand drive vehicles
200 Cell Euro5 Cats
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

$399 Shipped Order Now


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+ Toyota Supra 3.0L