Description
Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.
Unleash the performance potential of your 2019-2023 BMW 840i with our premium B58 Downpipe. Designed by German Car Accessories under our GCA Performance line, this high-flow downpipe is engineered to improve exhaust efficiency, reduce turbocharger restrictions, and maximize the capabilities of BMW's powerful B58 turbocharged inline-six engine.
Manufactured from high-quality T304 stainless steel, this downpipe is built to handle extreme temperatures and demanding performance applications while maintaining exceptional durability. Its optimized flow design helps reduce exhaust backpressure, allowing the turbocharger to spool more efficiently for improved throttle response, stronger acceleration, and increased horsepower and torque potential.
Designed specifically for the G14 Convertible, G15 Coupe, and G16 Gran Coupe BMW 840i models, this direct-fit upgrade offers precise fitment and straightforward installation. In addition to the performance gains, it enhances the exhaust character of the B58 engine, delivering a deeper and more aggressive sound that complements the luxury-sport nature of the 8-Series.
Why Choose Our BMW 840i B58 Downpipe?
- Improves exhaust flow and turbocharger efficiency
- Supports increased horsepower and torque
- Faster turbo spool and sharper throttle response
- Enhances acceleration throughout the powerband
- Produces a deeper, sportier exhaust note
- High-quality T304 stainless steel construction
- Precision TIG-welded for durability and fitment
- Direct-fit design for seamless installation
- Fully reversible modification
We Stand Behind Our Products
All items from German Car Accessories include a 1-Year Warranty.
Specifications
- Fits: 2019, 2020, 2021, 2022, 2023 BMW G14 840i Convertible, G15 840i Coupe, G16 840i Gran Coupe
- Engine Compatibility: 3.0L Turbocharged B58 Inline-6 Engine
- Material: High Quality T304 Stainless Steel
- Precision TIG Welds for Strength and Long-Term Durability
- Optimized High-Flow Design
- Direct Bolt-On Installation
- Includes All Necessary Mounting Hardware
- 100% Reversible, allowing return to stock at any time