BMW M340i (G20 / G21) 3.0T B58 Performance Valvetronic Exhaust - Vortex®
Give the Legend the Voice it Deserves
The BMW M340i is a modern icon, housing the B58 engine—an inline-six powerhouse that begs to be heard. However, factory resonators and strict emission filters often stifle the raw, aggressive character of this 3.0L turbocharged heart.
Vortex® has engineered the definitive exhaust solution for the M340i. Our precision-tuned Valvetronic system transforms your G20 Sedan or G21 Touring into a high-performance symphony, delivering a deep, muscular growl at low RPMs that screams into a high-pitched, exotic roar as you approach the redline.
### Vehicle Compatibility & Fitment
Precision-designed for a 100% bolt-on fitment for both Sedan and Touring models:
| Model | Chassis Code | Engine | Year Range |
| BMW M340i / M340i xDrive (Sedan) | G20 | 3.0L Turbo (B58) | 2019 – 2026+ |
| BMW M340i / M340i xDrive (Touring) | G21 | 3.0L Turbo (B58) | 2019 – 2026+ |
### Technical Highlights
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Advanced Valvetronic Control: Fully compatible with your BMW drive modes.
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Comfort Mode: Keeps the valves closed for a sophisticated, drone-free executive cruising experience—perfect for long trips.
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Sport/Sport+ Mode: Opens the floodgates to unleash the full, visceral B58 roar with aggressive "pops and bangs" on the overrun.
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Premium Material Engineering: * T304 Stainless Steel: For a deep, resonant rumble and lifetime durability.
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Grade 5 Aerospace Titanium: For maximum weight reduction and an incredibly crisp, metallic exotic scream.
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Hand-Crafted Artistry: Every Vortex® system features our signature TIG fish-scale welds. This ensures maximum structural integrity under high heat and boost while looking like a work of art under your chassis.
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Optimized High-Flow Design: Developed using 3D laser scans of the G20/G21 chassis, our system minimizes backpressure, resulting in sharper throttle response and improved turbocharger efficiency.
### The Vortex® Quality Standard
"Built for the Track. Refined for the Street."
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🛡️ 2-Year Limited Warranty: We stand behind our craft. Your Vortex® system is covered by a 2-year warranty against any material or manufacturing defects.
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📦 Industrial-Grade Secure Packaging: We treat these exhausts as precision instruments. Every system is shipped with custom-molded foam, reinforced boxes, and protective film for a 100% safe global arrival.
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🛠️ 100% Bolt-On Fit: No cutting or welding required. Our systems are designed to fit perfectly using all factory mounting points for a seamless, reversible installation.

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