Unlock the full potential of your BMW B48-powered vehicle with the RENNVOX BMW B48 200 Cell Sports Catted Downpipe. Engineered to improve exhaust flow, turbocharger response and exhaust sound, this premium performance upgrade delivers the ideal balance of performance, durability and everyday drivability.

The factory downpipe is one of the most restrictive components in the B48 turbocharged exhaust system. By replacing it with the RENNVOX high-flow downpipe, exhaust gases are able to exit the turbocharger more efficiently, reducing back pressure and allowing the turbocharger to spool faster. The result is improved throttle response, stronger mid-range performance and a noticeably more responsive driving experience.

At the heart of every RENNVOX downpipe is a premium 200 Cell Sports Catalytic Converter. Compared to the restrictive factory catalytic converter, the high-flow sports catalyst significantly improves exhaust gas flow while providing a more refined solution than a catless downpipe. The result is a deeper, more aggressive exhaust note with enhanced turbo sound and improved overall engine performance.

Manufactured from premium T304 stainless steel using precision TIG welding and smooth mandrel-bent tubing, every RENNVOX downpipe is built to withstand extreme exhaust temperatures while maintaining maximum durability and corrosion resistance.

The RENNVOX BMW B48 Downpipe is designed as a direct replacement for the factory downpipe and is compatible with both the original exhaust system and most aftermarket cat-back exhaust systems. Whether your vehicle is completely standard or professionally tuned, this downpipe provides the perfect foundation for improved performance.

Suitable for a wide range of BMW models equipped with the B48 2.0-litre turbocharged petrol engine, the RENNVOX downpipe has been developed to deliver OEM-quality fitment together with the performance, sound and reliability expected from a premium performance exhaust component.

Vehicle Compatibility

This downpipe is suitable for compatible BMW vehicles fitted with the B48 2.0-litre turbocharged petrol engine.

• BMW 120i
• BMW 220i
• BMW 230i
• BMW 320i
• BMW 330i
• BMW 330e
• BMW 420i
• BMW 430i
• BMW 520i
• BMW 530i
• BMW X1 20i
• BMW X2 20i
• BMW X3 20i
• BMW X3 30i
• BMW X4 20i
• BMW X4 30i
• BMW Z4 20i
• Toyota GR Supra 2.0 (B48)

Important: BMW B48 vehicles were produced with different downpipe configurations depending on production date, market, emissions equipment (including OPF) and turbocharger flange design. Please confirm your vehicle's existing downpipe configuration before ordering.

Package Includes

• RENNVOX BMW B48 Performance Downpipe
• Integrated High-Flow 200 Cell Sports Catalytic Converter
• Required installation hardware (where applicable)

Frequently Asked Questions

Which vehicles does this downpipe fit?

This downpipe is designed for compatible BMW vehicles equipped with the B48 2.0-litre turbocharged petrol engine. Please confirm your vehicle's production date, OPF configuration and turbocharger flange before ordering.

What are the benefits of upgrading the factory downpipe?

The factory downpipe is one of the most restrictive components in the exhaust system. Replacing it with the RENNVOX high-flow downpipe improves exhaust flow, reduces back pressure, increases turbo response and enhances overall engine performance.

Does this downpipe include a catalytic converter?

Yes. It incorporates a premium 200 Cell Sports Catalytic Converter which provides significantly greater exhaust flow than the original catalytic converter while maintaining a more refined solution than a catless downpipe.

Will this fit my factory exhaust?

Yes. The RENNVOX downpipe is designed as a direct replacement for the factory downpipe and is compatible with the original exhaust system as well as most aftermarket cat-back exhaust systems.

Is ECU tuning required?

No. The downpipe can be installed on a standard vehicle. However, ECU tuning is recommended to maximise performance and may be required to prevent catalyst efficiency fault codes depending on the vehicle configuration.

Will this change the exhaust sound?

Yes. The RENNVOX downpipe produces a deeper, more aggressive exhaust note with increased turbo sound while maintaining excellent drivability.

Is professional installation recommended?

Yes. Professional installation is recommended to ensure correct fitment and reliable operation.

Is this downpipe legal for road use?

Road legality varies between Australian states and territories. It is the responsibility of the vehicle owner to ensure compliance with all applicable emissions and vehicle regulations.

Technical Information: