For M340i / M440i 3.0T B58 G20/G21 Valved Catback Exhaust System
Valved catback exhaust for BMW M340i/M440i G20/G21 3.0T B58. 304 stainless steel or titanium. Confirm fitment before production.
Intended vehicle: BMW M340i/M440i, G20/G21 chassis with the 3.0T B58 engine.
Fitment confirmation is required before production. Please provide your model year, exact model, chassis code, engine, and VIN when available so Echo Exhaust can confirm compatibility and final configuration.
Browse more BMW exhaust systems.
Material choices: 304 stainless steel or titanium.
Valve-control choices: OEM valve control or remote control.
Exhaust-tip finishes: silver, black, or carbon.
Your selected material, tip finish, and valve-control configuration will be confirmed before production.
Professional installation is strongly recommended for this valved catback system.
Before installation, the installer should inspect the vehicle's connection points and available clearances and confirm that the supplied configuration matches the vehicle.
Package configuration depends on the selected material and confirmed product configuration. Final package contents will be confirmed before fulfillment.
This product is offered through a preorder workflow. US order processing is estimated at 5-15 business days, followed by an estimated transit time of 5-10 business days.
Review our Shipping Policy and Return & Refund Policy before ordering.
Will this fit my exact car? Fitment must be confirmed using your model year, exact model, chassis code, engine, and VIN when available.
Which materials are available? Choose 304 stainless steel or titanium.
How are the valves controlled? Available configurations include OEM valve control and remote control.
Is professional installation recommended? Yes. Professional installation is strongly recommended.
Related fitment: BMW X3/X4 M40i G01/G02 B58 valved catback system.
