BMW G20, M340i 3.0L Catback, T304 SS, Burnt 3.5" Tips

The Valvetronic Designs Valved Exhaust System for the BMW G2X M340i and M440i is the ultimate upgrade for drivers who demand flexibility, performance, and an unforgettable exhaust note. Built with lessons learned from our most celebrated systems, this setup delivers a raw, unfiltered sound when you want it—and refined civility when you don’t. From the moment you start the engine, you’ll experience the full potential of the B58 powerplant. The system begins with a massive 3.5" midpipe, splitting into unrestricted dual 3" mandrel-bent runs that flow seamlessly to a set of signature Valvetronic Designs tips.

• Brushed T304 stainless steel
• 3.5" midpipe, splitting into unrestricted dual 3" mandrel-bent runs
• Dual pneumatic-actuated valves for longevity and precision control
• 21.7 lbs lighter than factory exhaust
• Paired With Valvetronic Designs Burnt Single Wall Tips

What's Included

Valved stainless catback exhaust system, Valve controller kit, and Valvetronic single wall burnt tips

Features & Components

Maximum Flow Design: 3.5" front section feeding dual 3" rear piping for unparalleled performance and tone, Unmatched Versatility: Dual pneumatic valves deliver instant transitions from stealth to sport

Installation Notes

Direct bolt-on installation, cat-back replacement to OEM mounting points.

Fitment

2019-2025 BMW M340i, M440i

Our turbo specifications are built for maximum durability under high load. Check the manual for exact torque tolerances.

In-stock items ship within 24-48 business hours. Orders over $599 qualify for free standard ground shipping in the contiguous US.

We accept returns on unused items in original packaging within 30 days. Contact our support team for an RMA.