Downpipe - BMW M240i, M340i, M440i, 540i, 545e, 740i, 745e, 840i & Supra A90/A91 (B58, OPF)
Regular price
2.300,00 lei
Enhance the performance and sound of your BMW or Toyota Supra equipped with the B58 Gen 2 engine with this high-performance downpipe, designed for models with OPF. Engineered to reduce exhaust restrictions while maintaining compatibility with OPF-equipped vehicles, this upgrade improves turbo response, increases power and delivers a more aggressive exhaust tone.
Available configurations:
- 5" Catless: Maximum exhaust flow and performance, delivering an aggressive and unrestricted exhaust sound.
- 5" Catted (200 CELL): High-flow catalytic converter that balances performance gains with reduced emissions and a more refined exhaust tone.
Key Benefits:
- Improved exhaust flow: Reduces backpressure compared to factory components, allowing the turbocharger to operate more efficiently.
- Increased performance: Supports higher power output and improved throttle response, especially when paired with ECU tuning.
- Enhanced exhaust sound: Produces a deeper and more aggressive tone, with sharper turbo spool and improved sound character.
- Integrated heat shield: Helps manage heat within the engine bay, protecting surrounding components under demanding conditions.
- High-quality stainless steel construction: Built for durability, heat resistance and long-term reliability.
- Direct-fit installation: Designed for B58 Gen 2 engines with OPF, ensuring proper fitment and compatibility.
Perfect compatibility with BMW models:
- BMW G42 M240i xDrive (2021-present)
- BMW G20/G21 M340i (2019-present)
- BMW G22/G23/G26 M440i (2019-present)
- BMW G30/G31 540i (2018-present)
- BMW G30 545e xDrive (2021-present)
- BMW G11/G12 740i (2019-present)
- BMW G11/G12 745e (2019-present)
- BMW G14/G15/G16 840i (2019-present)
- BMW Z4 G29 M40i (2019-present)
- Toyota Supra MK5 A90/A91 GR 3.0 (2019-present)
This downpipe for B58 Gen 2 engines with OPF is the ideal upgrade for improved exhaust flow, faster turbo response and a more aggressive driving experience.
Products sold by DEME.PARTS are intended for competition use only, unless explicitly stated otherwise. They are strictly for racing or off-road use in events authorized by a recognized racing organization. Any other use, including recreational off-road driving, may violate local, state, or national laws. DEME.PARTS makes no guarantees, implicit or explicit, regarding the legality of using its products on public roads; this remains the sole responsibility of the customer.
It is the customer’s responsibility to verify all applicable local, national, and environmental regulations before purchasing and installing any product. DEME.PARTS is not liable for any fines, fees, or costs resulting from non-compliance with these regulations.
DEME.PARTS is not affiliated with, endorsed by, or connected to BMW, Mercedes-Benz, Audi, or any other automotive manufacturer brands. All manufacturer names, symbols, and descriptions used in our listings are for reference purposes only. We are an independent aftermarket parts retailer specializing in performance and styling upgrades.
Customer Builds
Photos from verified customers after installing our parts.
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