2025+ BMW X3 20/30 Downpipe | G45 B48
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Explore Real Customer Upgrades
Installed the grills today couldn't be happier. Really improved the front end
J.W.
Both the grille and downpipes were great fitment and quality. Best bang for your buck. Service was great. Downpipes cannot go wrong for the price look and fit great. The car with the new downpipes sound amazing, truly opened up the already amazing sound of the car. Had it tuned and it drives and sounds amazing.
Cesar Cea
The CF Grills had perfect fotment and great quality. Was also very well packed for shipment.
Denis Alvarez.
Great product and very helpful staff! Cleans the look of the car.
Ronald Lorek Jr.
The wheels came out amazing. Was a little hesitant because of the lack of photos of different finishes and such, but the guys at GCA were super helpful and I got a rendering of the wheels before they started building them. I went eith the premium matte brushed 19x9.5+25. They were built to my exact spec for my S5. Not a bad deal at all for the price/quality, and you1re getting a wheel that pretty much no one else has. They also gave me the upgraded center caps at no cost which was a nice bonus.
Benjamin Troxell.
Last Minute Questions? TEXT our Product Experts at 602-633-4542
- 1-Year Warranty
- 24/7 Customer Support
- 30 Day Returns
Description
*Please email us any special requests*
Unleash the full potential of your BMW X3 with our high-performance B48 downpipe - engineered specifically for the G45 model and its 2.0L turbocharged engine. Whether you're chasing better throttle response, or a more aggressive exhaust sound, this downpipe delivers noticeable gains in both performance and sound.
Designed to replace the restrictive factory unit, it improves airflow, reduces back pressure, and enhances the overall driving dynamics of your BMW.
Constructed from premium stainless steel with precision welds, this downpipe is built to handle high temps, whether you’re pushing it daily or on the track. It’s a direct fit for G45 X3 models running the B48 engine. Pair it with a proper tune and you’ll unlock serious horsepower gains while keeping full compatibility with your factory setup.
We Stand Behind Our Products
- All items from us have a 1-Year Warranty!
Specs
- Fits: 2025 2026 G45 G48 BMW X3 20 xDrive X3 30 xDrive X3 30e xDrive 2.0L I4 Turbo B48 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
- FREE SHIPPING to the lower 48 States!
- 5-8 Business Days depending on location
- We ship all 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.
