BMW G2X Valved Axle-Back Exhaust System

Quad-Chambered Muffler, OEM Valve Integration, 3.5" Tips

Overview

The Valvetronic Designs Valved Axle-Back for the BMW G2X platform brings the next evolution in sound customization. Inspired by our renowned F-Chassis systems, this setup offers the flexibility to run OEM valve integration, pair with additional exhaust modifications, or enjoy as a standalone upgrade—all without compromising on fit, finish, or tone.

TIG-welded from T304 stainless steel and designed to utilize factory mounting points and cut locations, the system delivers an OEM+ installation and appearance, with 3.5" tips perfectly filling the rear bumper.

Sound & Control

• Valves Closed: All exhaust gases route through our precision-engineered quad-chambered muffler, delivering stock-level volume for early morning starts, stealthy commuting, and drone-free cruising.

• Valves Open: The muffler is bypassed entirely, freeing the exhaust flow for a deeper, more engaging tone without unwanted cabin drone.

Whether you keep your exhaust otherwise stock or pair it with free-flow components, the system adapts to deliver a driving soundtrack tailored to you.

Why Choose This System

• True OEM+ Fitment: Factory mounting points and cut locations for seamless installation.

• Customizable Sound: Works perfectly as a standalone upgrade or part of a full exhaust build.

• OEM Valve Integration: Operates through your BMW’s drive modes for instant control

Fitment

• 2019–2024 BMW 330i (G20)

• 2019–2024 BMW 430i (G22 / G23)

• Compatible with 330e (with modifications)

• Compatible with 2025 models (with modifications)

Features

• Fully mandrel-bent for maximum flow

• Precision TIG-welded for strength and durability

• Premium T304 stainless steel construction

• Customizable 3.5" outlet tips for a refined OEM+ look

• OEM electronic valves with rapid open/close function

• Valve integration with factory drive modes

• Extension harness included for plug-and-play operation

• 100% reversible—return to stock at any time

Orders are processed same or next business day. Shipping times vary depending on the product, shipping service, and whether freight shipping is required. While we ensure all inventory levels are current and accurate, they can change due to logistics and inventory feeds. Standard shipping typically takes 3-7 business days, but some items may require additional time depending on their origin. Feel free to call us anytime for the latest status of your order.