Description
Upgrade your BMW’s exhaust system with the 034Motorsport Stainless Steel Racing Catalyst, designed specifically for F2x and F3x chassis equipped with the B58 turbocharged engine. This direct bolt-in replacement eliminates the restrictive factory catalytic converter, unlocking increased horsepower and torque across the entire powerband.
Engineered for performance, the Euro 4 racing catalyst improves turbocharger spool by 150-300 RPM, reduces turbo lag, enhances throttle response, and delivers a more aggressive exhaust and turbo sound. Constructed from durable 304 stainless steel with precision TIG welding and integrated OE-style heat isolation, this catalyst ensures longevity and minimal heat transfer to the engine bay.
Developed in-house with advanced 3D scanning, CAD design, and tested extensively on the track, this upgrade maintains factory fitment and ease of installation thanks to integrated v-band flange, O2 sensor bung, and complete gasket/hardware kit.
Key Features:
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Increased horsepower and torque throughout the powerband
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Faster turbocharger spool and reduced lag (up to 300 RPM quicker)
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Enhanced exhaust note and turbocharger sound
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Direct bolt-in replacement for factory catalytic converter
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Euro 4 compliant racing catalyst in factory location
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304 stainless steel construction with TIG welds and backpurging
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Integrated OE-style heat isolation barrier reduces engine bay heat
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CNC-machined flange surfaces for precise fitment
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Includes O2 sensor bung and gasket/hardware kit for installation
Vehicle Fitment
Fits BMW Models with B58 Engine:
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F30 340i / 340iX (2014–2019)
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F31 340i / 340iX (2014–2019) (Euro Only)
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F32 440i / 440iX (2015–2019)
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F33 440i / 440iX (2015–2019)
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F34 340i GT / 340iX GT (2015–2019)
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F36 440i / 440iX (2015–2019)
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F22 M240i / M240iX (2016–2020)
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G11/G12 740i / 740iX / 740Li (2014–2019)
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G20 M340i / M340iX (2018–2019)
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G29 Z4 M40i (2018–2019)
This Stainless Steel Racing Catalyst is the perfect upgrade for BMW owners looking to maximize performance without sacrificing reliability or fitment. Experience improved throttle response and exhilarating turbo sound while maintaining OEM quality and durability.
