B58 Catless Downpipes - BMW 240i/340i/440i/540i/740i

The B58 Catless Downpipes not only enhance performance but also contribute to a more aggressive exhaust note, adding a deeper and sportier tone to the sound profile of your BMW. This auditory enhancement complements the dynamic performance characteristics of the B58 engine, enhancing the overall driving experience.

Whether you're seeking to optimize performance for spirited driving or looking to extract more power from your BMW B58 engine, Catless Downpipes stand as a reliable upgrade choice, combining precision engineering with enhanced exhaust flow dynamics to unlock the true potential of your vehicle.

Features:

Made out of high quality 304 stainless steel
- 100% perfect fit, replace OEM
- Less thermal load on the turbocharger
- More power by reducing back pressure
- Significantly more torque
- Including reduction to stock exhaust system


• Higher Maximum Horsepower
• Higher torque + keeps maximum torque for longer
• Better throttle response to hit max torque and max HP sooner
• 4.5” pipe for max airflow + a smooth transition to the flange
• Made from High grade stainless
• 100% TIG welded for better quality welds
• Precision CNC machined turbocharger V-Band flange.
• Offered in brushed and polished finish.
• Also offered in black thermal coating for better heat management.
• Optional EGT bung for use with EGT gauges. Bung is capped in case user does not wish to use it all the time.
• Compatible with stock exhaust system and all the other exhausts systems that use stock connections.

Note:

There are no installation instructions and guidance. Professional installation is recommended. Please check the correct model before purchasing.

• Proven to last and track tested for durability.

Fitment:

M140i / xDrive 2016-2019 F20
M240i / xDrive 2016-2019 F22/F23
340i / xDrive 2016-2019 F30/F31
440i / xDrive 2016-2019 F32/F33/F36/G22/G23/G26
540i / xDrive 2017-2019 G30/G31
740i / xDrive 2016-2019 G11/G12