034-105-4051 - 034Motorsport Stainless Steel Racing Catalyst for BMW F2x/F3x B58

The 034Motorsport stainless steel racing catalyst for BMW F2x/F3x B58 vehicles is designed as a direct replacement for the original catalyst of restrictive origin. This racing catalyst provides increased horsepower and torque across the entire RPM range, reduced turbo lag, improved throttle response and improved exhaust note.

Product Features

• Increased horsepower and torque across the entire RPM range
• Reduced turbo lag (150-300 RPM faster)
• Improved exhaust note and turbo sound
• Direct bolt-on replacement for stock catalyst
• 304 stainless steel construction for maximum durability and corrosion resistance
• Euro 4 catalytic converter in stock position
• Integrated inlet/outlet flanges and sensor location O2
• OE-style TIG welds and flexible section for optimum thermal insulation

Vehicle Compatibility

This racing catalyst is compatible with the following models:

• BMW F30 340i/340iX (2014-2019)
• BMW F31 340i/340iX (2014-2019) (Europe only)
• BMW F32 440i/440iX (2015-2019)
• BMW F33 440i/440iX (2015-2019)
• BMW F34 340i GT/340iX GT (2015-2019)
• BMW F36 440i/440iX (2015-2019)
• BMW F22 M240i/M240iX (2016-2020)
• BMW G11/G12 740i/740iX/740Li (2014-2019)
• BMW G20 M340i/M340iX (2018-2019)
• BMW G29 Z4 M40i (2018-2019)

Optimized for increased flow and maximum performance, this racing catalyst is a complete replacement solution that includes an integrated V-band flange at the exhaust turbine, a location for an oxygen sensor after the catalyst, and a complete gasket and hardware kit for precise and easy installation.

Developed in-house by 034Motorsport's engineering team, this catalyst was extensively track tested in B58 vehicles before being released to the market.