*Pleaseemail usany special requests*

Want to unleash the true potential of your 2017-2023 BMW 540i? Ditch the restrictive stock setup and upgrade to our GCA Performance Downpipe, designed specifically for the G30 BMW 540i with the B58 3.0L I6 Turbo engine.

This isnt just another pipe. It’s precision-engineered to dramatically improve turbo spool, exhaust flow, and overall performance – giving your 540i the power, responsiveness, and aggressive sound it deserves.

This 540i downpipe provides improved performance and airflow for a more powerful ride. Engineered from stainless steel for long-lasting durability and strength, it allows you to experience maximum horsepower and torque.

We Stand Behind Our Products

• All items from ushavea 1-Year Warranty!

Specs

• Fits: 2017 2018 2019 2020 2021 2022 2023 G30 BMW 540i 540i xDrive 3.0L I6 Turbo B58 Engine
• Material: High Quality T304 Stainless Steel
• PrecisionTIGwelds for high strength and perfect fitment
• 100% Reversible, always able to go back to stock at any time
• *Comes with ALL necessary mounting hardware*

Shipping

• FREE SHIPPING to the lower 48 States!
• 5-8 Business Days depending on location
• We shipall of our products through UPS or FedEx
• Current processing time (FOR FRONT RACE PIPES ONLY!) from when you place your Order to the Order being shipped is 5 Business Days

We always recommend Professional Installation.

Emissions Non-Compliance.Removing, disabling, or altering emissions equipment on a pollution-controlled road vehicle is illegal. Installing devices or software that trick, disable, or modify emissions controls and monitors on a pollution-controlled road vehicle is also illegal. This product is sold only for racing, competition, track, hobby, or other off-road use. Its use is prohibited in any motor vehicle that is subject to emissions inspection or control. Legal in California only for racing vehicles that may never be used, or registered or licensed for use, upon a highway.

DISCLAIMER: This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only, never to be driven on public roads. This product is or contains a Racing Cat Bypass Pipe, which will give you check engine lights on OBD2 cars. We suggest pairing this product with racing software to prevent fault codes and check engine lights. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified (CARB) and not EPA certified. You are hereby informed and warned to check your local, state, and federal laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.