034Motorsport 034Motorsport Stainless Steel Racing Catalyst/Downpipe 034-105-4051

034Motorsport Stainless Steel Racing Catalyst/Downpipe

The 034Motorsport Stainless Steel Racing Catalyst is purpose-built to replace the restrictive factory catalytic converter in BMW F2x/F3x B58 vehicles. With this downpipe installed, drivers can expect significant gains in horsepower and torque throughout the powerband. Additionally, turbocharger lag is reduced, throttle response is improved, and the exhaust note is enhanced for a more aggressive tone. By eliminating the primary bottleneck in the stock exhaust system, this upgrade allows owners to fully unlock the potential of their turbocharged engines.

034Motorsport 034Motorsport
T#: 26771743 | Part#: 034-105-4051
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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034Motorsport 034Motorsport Stainless Steel Racing Catalyst/Downpipe 034-105-4051
034Motorsport Stainless Steel Racing Catalyst/Downpipe
$1158.00
The 034Motorsport Stainless Steel Racing Catalyst is purpose-built to replace the restrictive factory catalytic converter in BMW F2x/F3x B58 vehicles. With this downpipe installed, drivers can expect significant gains in horsepower and torque throughout the powerband. Additionally, turbocharger lag is reduced, throttle response is improved, and the exhaust note is enhanced for a more aggressive tone. By eliminating the primary bottleneck in the stock exhaust system, this upgrade allows owners to fully unlock the potential of their turbocharged engines.

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.


Prop 65 WarningProp 65 Warning

Product Q&A

Lifetime Replacement

This product is not eligible for Lifetime Replacement
MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW F22 M240i B58 3.0L Use vehicle selector to confirm fitment
BMW F22 M240i xDrive B58 3.0L Use vehicle selector to confirm fitment
BMW F30 340i B58 3.0L Use vehicle selector to confirm fitment
BMW F30 340i xDrive B58 3.0L Use vehicle selector to confirm fitment
BMW F32 440i B58 3.0L Use vehicle selector to confirm fitment
BMW F32 440i xDrive B58 3.0L Use vehicle selector to confirm fitment
BMW F33 440i B58 3.0L Use vehicle selector to confirm fitment
BMW F33 440i xDrive B58 3.0L Use vehicle selector to confirm fitment
BMW F34 340i xDrive B58 3.0L Use vehicle selector to confirm fitment
BMW F36 440i B58 3.0L Use vehicle selector to confirm fitment
BMW F36 440i xDrive B58 3.0L Use vehicle selector to confirm fitment
BMW G11 740i B58 3.0L For 2014-2019 models only
BMW G11 740i xDrive B58 3.0L For 2014-2019 models only
BMW G20 M340i B58 3.0L For 2018-2019 models only
BMW G20 M340i xDrive B58 3.0L For 2018-2019 models only
BMW G29 Z4 sDrive M40i B58 3.0L For 2018-2019 models only
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.