Description
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Unlock the full performance potential of your BMW with the German Car Accessories 2017-2023 BMW 640i & 640i xDrive GT Performance Downpipe. Developed under the GCA Performance lineup, this premium downpipe is engineered specifically for the G32 BMW 640i Gran Turismo equipped with the 3.0L turbocharged B58 engine, delivering increased exhaust flow, faster turbo spool, improved throttle response, and noticeable gains in horsepower and torque.
The factory downpipe is one of the most restrictive components in the exhaust system. Replacing it with the GCA Performance Downpipe allows exhaust gases to exit the turbocharger more efficiently, reducing back pressure and helping the turbo spool faster. The result is quicker acceleration, stronger mid-range power, improved engine responsiveness, and a more aggressive exhaust tone.
Constructed from high-quality T304 stainless steel, this downpipe is built to withstand extreme exhaust temperatures while providing excellent corrosion resistance and long-lasting durability. Precision TIG welding ensures exceptional strength, leak-free performance, and a precise fit for reliable installation.
Whether you're building a performance-focused daily driver or preparing your BMW for ECU tuning, the German Car Accessories Performance Downpipe is an essential upgrade that maximizes the capabilities of the B58 engine while maintaining factory-style fitment.
German Car Accessories proudly stands behind every GCA Performance product, and this downpipe is backed by a 1-Year Warranty for added peace of mind.
Vehicle Fitment
Fits the following vehicles:
- BMW 640i GT Gran Turismo (2017-2023) G32
- BMW 640i xDrive GT Gran Turismo (2017-2023) G32
Engine Compatibility:
- 3.0L Turbocharged Inline-6 B58
Features
- Designed by German Car Accessories under the GCA Performance line
- Performance downpipe for the BMW B58 engine
- Manufactured from premium T304 stainless steel
- Improves turbocharger spool time
- Increases exhaust flow
- Reduces exhaust back pressure
- Improves horsepower and torque
- Enhances throttle response
- Produces a more aggressive exhaust sound
- Precision TIG welded construction
- Corrosion-resistant stainless steel construction
- Direct-fit installation
- Fully reversible design for returning to the factory downpipe
- Includes all necessary mounting hardware
- Backed by a 1-Year Warranty
