- Direct-fit replacement for BMW B58 3.0L turbo engines
- High-grade stainless steel construction — corrosion and heat resistant
- No catalytic converter for maximum exhaust flow and reduced backpressure
- Improves turbo spool, horsepower, torque, and throttle response
- Deeper, aggressive exhaust tone — track-ready sound
- Easy bolt-on installation — OEM mounting points, no modifications
- Intended for off-road/track use only — check local emissions laws
Product description Unlock more power and a more engaging drive with our High-Performance Stainless Steel Downpipe for BMW B58 engines. Precision-engineered from premium stainless steel, this direct-fit downpipe replaces the restrictive factory unit to improve exhaust flow, reduce backpressure, and enhance turbo efficiency. The result is stronger midrange response, quicker spool, increased horsepower and torque, and a richer exhaust note.
Designed for a hassle-free installation, the downpipe matches OEM mounting points for a true bolt-on upgrade — no cutting, welding, or custom fabrication required. Built to withstand high temperatures and aggressive driving conditions, it’s ideal for enthusiasts and tuning shops seeking reliable, long-lasting performance.
Compatibility Compatible with BMW models equipped with the B58 3.0L turbo engine:
- M140i (F20/F21), M240i / M240ix (F22)
- 340i / 340ix (F30/F31/F34) — 2016+
- M340i / M340ix (G20) — 2019+
- 740i / 740ix (G11) — 2016+
- 440i / 440ix (F32) — 2016+
- 540i / 540ix (G30/G31)
Technical specifications
- Material: High-grade stainless steel
- Design: Direct-fit, OEM mounting points
- Catalytic Converter: None (downpipe is catless)
- Fitment: B58 3.0L turbo applications
- Use: Performance / track / off-road
Important notice This downpipe is catless and intended for off-road or track use only. Installing this part may make your vehicle non-compliant with local emissions regulations. Verify local laws before purchase and installation. We recommend professional installation and ECU tuning for best results.
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