2019-2023 BMW 840i Downpipe

Upgrade your 2019-2023 BMW 840i with our B58 Downpipe. This pipe provides improved performance and airflow for a more powerful ride. Engineered from stainless steel for long-lasting durability and strength, this downpipe allow you to experience maximum horsepower and torque. Made for the G14/G15/G16 840i 3.0L Turbo I6 Engine, it delivers a lightweight solution designed to maximize flow and minimize back pressure to increase power output, and brings to life the Turbo Straight 6. 

Specs

• Fits: 2019 2020 2021 2022 2023 G14 G15 G16 BMW 840i 3.0L I6 Turbo B58 Engine
• Material: High Quality T304 Stainless Steel
• Precision TIG welds 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 and processing times are listed in our shipping policy.

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.