Optimize Performance with Downpipe BMW 440i Upgrades

Boosting the BMW 440i’s responsiveness and throttle response starts with a precise downpipe upgrade—engineered to unlock hidden power while maintaining drivability and efficiency.

A quality downpipe for the BMW 440i redefines exhaust scavenging, reducing backpressure and enabling more complete combustion. This results in sharper acceleration, improved throttle response, and a more aggressive exhaust note—perfect for enthusiasts seeking both style and substance.

High-end downpipes for the BMW 440i are crafted from lightweight, corrosion-resistant materials like stainless steel or titanium. These build-focused designs ensure long-term reliability, even under demanding driving conditions, without compromising structural integrity.

Unlike generic options, a proper downpipe for the 440i delivers a custom fit that aligns with factory exhaust routing. This precision enhances exhaust gas expulsion, supporting engine performance across all RPM ranges while minimizing noise and emissions compliance issues.

Upgrading to a dedicated BMW 440i downpipe delivers measurable gains in power, sound, and efficiency. For drivers who value precision and performance, this upgrade is an essential enhancement—perfectly balancing power delivery with everyday usability. Elevate your 440i today and experience the difference.

BMW F36 440i B58 3.0L Performance Downpipes 034Motorsport ARM Motorsports CTS Hardware Milltek VRSF Sort By Return to Top. VRSF B58 Downpipe Upgrade for your 2016 - 2022 BMW M240i, 340i, 440i, 540i, 740i & 840i & xDrive. Gains from 25.

The ARM 6" B58 Downpipe takes the title of being the largest catless downpipe available for the B58 platform! The sound coming from your B58 with the 6" section in the ARM B58 Downpipe will astonish you. Even deeper tones, even better sound, and improved turbo spool. The ARM B58 Downpipe is one of the foundational upgrades for giving your B58-powered BMW more power, torque, and sound.

The. Upgrade your BMW B58 with a VRSF downpipe for 15-20+whp power gains, faster spool, and more performance benefits. B58 bolt.

Catless downpipe BMW B58 2016+ BMW M240I 340I 440I 540 740I F20 F30 F32 F22 G30 G12. The reduced back pressure results in a faster spool. Unlock the hidden power in your B58-powered 340i or 440i with our stainless steel Downpipe - designed to enhance exhaust flow and boost performance where it counts.

This high-performance upgrade significantly reduces back pressure, improves throttle response, and delivers a noticeable increase in both torque and horsepower. Downpipe Bmw M440i with engine B58 Downpipe increased decat for Bmw: - 440i B58 - 340i B58 - M140i B58 - M240i B58 Compatible with B58 The downpipe (also called the decatalizer) is a fitting that fits between the turbine and the exhaust. To obtain better performance it is essential to replace the original catalyst with a sports car that allows a better flow of exhaust gases with a whole series.

The Evolution Racewerks performance downpipe and sport catalytic converter for F22 M240i, F30 340i, G20 M340i, G22/G23 M440i, and F32 440i replaces the stock restrictive ceramic catalytic converter with a higher. Unleash the full potential of your BMW B58 engine or Toyota Supra B58 with the 4.5" Catless Downpipe, designed for maximum airflow, increased power, and an aggressive exhaust tone.