*Pleaseemail usany special requests*

Unlock the hidden power in your B58-powered 340i or 440i with our stainless steel Downpipe – designed to enhance exhaust flow and boost performance where it counts.

This high-performance upgrade significantly reduces back pressure, improves throttle response, and delivers a noticeable increase in both torque and horsepower. Built for long-lasting durability and designed for perfect OEM fitment, its the ultimate bolt-on mod to wake up your turbocharged 3.0L I6.

Whether you’re chasing better sound, more power, or prepping for a tune, this downpipe is the first step in transforming your BMW into a true performance machine.

We Stand Behind Our Products

• All items from ushavea 1-Year Warranty!

Specs

• Fits: 2015 2016 2017 2018 2019 F30 F31 F32 F33 F36 BMW 340i 340i xDrive 440i 440i 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.