BMW G22/G26, 420i/430i Stainless Steel Valved Catback Exhaust

BMW G22/G26, 420i/430i Stainless Steel Valved Catback Exhaust

Give your BMW G22/G26 420i or 430i the sound it deserves with this Stainless Steel Valved Catback Exhaust, engineered to deliver a sharper, more aggressive exhaust note, improved exhaust flow and the versatility of switchable exhaust valves for both everyday driving and spirited performance.

Designed specifically for the 2.0L turbocharged four-cylinder G22 Coupe and G26 Gran Coupe, this valved catback replaces the restrictive factory system from the front section back with a high-flow mandrel-bent stainless steel design. Electronic valves on the rear silencer let you switch between a refined, comfortable tone and a deep, aggressive soundtrack at the touch of a button.

Manufactured from premium T304 stainless steel with precision TIG welding throughout, it offers exceptional durability, corrosion resistance and long-term reliability. Supplied with the valve control module, wiring and remotes shown.

Key Features

Integrated Valved Exhaust System

Electronically controlled exhaust valves allow you to switch between a quiet cruising mode and an aggressive performance exhaust note.

Valve Controller and Remotes Included

Comes complete with the valve control module, wiring harness and two remotes, so you can open and close the valves on the fly.

Premium T304 Stainless Steel Construction

Manufactured from high-quality T304 stainless steel for exceptional durability, corrosion resistance and heat tolerance.

Increased Exhaust Flow

Mandrel-bent tubing reduces exhaust restriction for improved engine breathing and throttle response.

Precision TIG Welded

Engineered for maximum strength and long-term reliability under demanding driving conditions.

Choice of Exhaust Tips

Available with chrome, black or carbon fibre style tips to suit the styling of your G22/G26.

Direct Bolt-On Fitment

Designed specifically for the BMW G22/G26 420i and 430i using factory mounting locations for straightforward installation.

Performance Benefits

• Improved exhaust flow
• Sharper throttle response
• Enhanced turbo spool acoustics
• Reduced exhaust backpressure
• Aggressive performance exhaust note
• Switchable quiet and loud driving modes
• Excellent supporting modification for tuned vehicles

Performance gains may vary depending on ECU calibration and supporting modifications.

Sound Characteristics

Valves Closed

• Refined and comfortable cruising sound
• Minimal cabin drone
• Ideal for everyday driving and long-distance trips

Valves Open

• Deeper and more aggressive exhaust tone
• Increased exhaust volume
• Enhanced turbo spool and overrun acoustics
• Sportier cold starts
• More engaging driving experience throughout the rev range

Vehicle Fitment

BMW G22 420i Coupe (2020+)
BMW G22 430i Coupe (2020+)
BMW G26 420i Gran Coupe (2021+)
BMW G26 430i Gran Coupe (2021+)

2.0L Turbocharged Four-Cylinder Engine

Please Note

Professional installation is strongly recommended.

Exhaust sound may vary depending on whether the factory or an aftermarket downpipe is installed.

Vehicles delivered new in Europe or the UK with an OPF/GPF: please contact us before ordering so we can confirm the correct specification.

Most parts in our BMW 420i/430i range are made to order rather than held in stock, so please allow extra time for dispatch.

Why Choose Proven Performance Parts

We specialise in high-performance upgrades for European performance vehicles including Volkswagen GTI & R models, Audi S/RS platforms, BMW M and Mercedes-AMG applications. Every product we offer is carefully selected for its quality, fitment, sound, and real-world performance - tested by enthusiasts, for enthusiasts.