Downpipe Cat/Decat – BMW G20 330i/ix B48D

Description

This stainless steel downpipe is designed for the BMW G20 330i/ix with the B48D engine and fits perfectly on the original exhaust thanks to the OEM flange. The downpipe significantly increases exhaust gas flow, resulting in faster turbo spooling, more power, and a more direct throttle response. Suitable for both OPF and GPF models.

With a catless downpipe and Stage 2 tuning a 330i can grow from 258 hp to approximately 340 hp and from 400 Nm to approximately 500 NmThe stainless steel construction (T304) and the 76.1 mm (3 inch) diameter ensure maximum durability and optimal performance. Pops and bangs mapping is possible after installation.

Advantages

• 76.1mm (3”) high-flow design
• Available as cat or decat version
• More power and torque in combination with tuning
• Perfect fit thanks to OEM flange
• Suitable for OPF/GPF vehicles
• High-quality T304 stainless steel
• Better exhaust gas flow
• 100% fit guarantee

Technical specifications

• Model: BMW G20 330i/ix B48D
• Year of construction: 2018>
• Diameter: 76.1 mm / 3 inches
• Connection: OEM flange
• Material: T304 stainless steel
• Version: Cat / Decat
• Compatible with OPF/GPF

Compatibility

• BMW 330i G20 – 258 hp
• BMW 330ix G20 – 258 hp
• Engine code: B48D
• Year of construction: 2018>

Contents

• Downpipe cat or decat (SS304)

Frequently Asked Questions

Does this downpipe fit the original exhaust?
Yes, thanks to the OEM flange, mounting is plug & play.

Is this downpipe suitable for OPF models?
Yes, it is designed for OPF/GPF versions.

Do I need a tune?
For maximum performance, pops & bangs and to avoid error codes, tuning is recommended, especially with decat.

Item number: D52104