Rvng F & G series B46 Downpipe
Rvng F & G Series B46 Competition 4” Downpipe
Introducing RVNG’s new Competition Series 4” Downpipes for your BMW B46 four-cylinder turbo engine! This high-performance upgrade is designed to fit all 2016+ models, including 230i, 330i, 430i, 530i, X3 30i, X4 30i, and Z4 30i/20i.
The B46 engine is standard in all U.S. spec cars. This downpipe is specifically tailored for U.S. spec models and differs from the B48 version found in EU and Asia spec vehicles.
Please confirm the year, make, model, and U.S. specification of your vehicle before purchase.
NOTE: THIS ITEM IS NOT FOR SALE, INSTALLATION, OR USE ON LICENSED VEHICLES IN THE STATE OF CALIFORNIA. It is available without restriction for international customers.
Ease of Installation: (1 Easy, 5 Hard) - Rating: 3
Key Features:
• Vehicle Compatibility: Compatible with the 2016+ 230i, 330i, 430i, 530i, X3 30i, X4 30i, and Z4 30i/20i models with the B46 engine.
• Performance Gains: Average horsepower gains of 14 to 16 whp (gains vary depending on vehicle modifications).
• Enhanced Torque: Average torque gains of 20 wtq on stock boost, up to over 24 wtq with software upgrades.
• Improved Throttle Response: Faster turbo spool-up and better throttle feel.
• Mandrel-Bent 4” Piping: Smooth transition into the exhaust for optimized flow.
• Premium Construction: Made from 100% stainless steel with TIG welding for high-quality, durable joints.
• Precision Engineering: Features a CNC-machined turbocharger V-band flange and an upgraded ball joint flange with a straight-flow interior.
• Stainless Steel Flex Section: Mimics factory design, allowing proper exhaust movement and flexibility.
• Custom Finishes: Available in mirror polish or brushed finish, with an option for high-temperature black thermal coating to reduce under-hood temperatures.
• Seamless Compatibility: Retains the factory “ball” type V-band connector for better flow and is compatible with both factory and aftermarket exhaust systems.
• Track-Tested Durability: Proven reliable under high-performance conditions.
• Complete Installation Kit: Includes all necessary hardware for an easy installation.
• Limited Lifetime Warranty: Built to last and backed by RVNG’s commitment to quality.
Optimize your BMW’s performance with RVNG’s Competition Series downpipe, designed for those who demand power, precision, and quality.
Pairs well with
Rvng F & G series B46 Downpipe
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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How Long Does Shipping Take?
All Rvng items ship within 1-3 days, if an item is out of stock the customer will be notified with the choice of a refund or an estimated timeline of delivery.
Do You Have Exhaust Parts For My Car?
We make a range of downpipes and exhaust systems for almost all BMW's. We choose to specialize in that market so we can always insure we are selling the best product possible for your Beamer!
Do You Offer In Person Pick-Up & Installs In Cali?
Yes, We are located in Garden Grove in Orange County, California. We invite any of our costumers to pick-up in stock items and for any install or can related work.