MST 6" Catted Downpipe for BMW/Toyota B58 3.0T

Take your B58-powered BMW or Toyota Supra to the next level with the MST 6" Catted Downpipe. Designed for maximum exhaust flow and outstanding performance, this high-quality downpipe delivers increased horsepower, improved throttle response, and an aggressive exhaust note while maintaining cleaner emissions through its premium high-flow catalytic converter.

Whether your vehicle is stock or heavily modified, the MST 6" Catted Downpipe is engineered to support demanding performance applications and is capable of handling builds exceeding 1000 horsepower.

Features

• World's largest diameter B58 downpipe design.

• Premium 6" Euro 6 200-cell high-flow catalytic converter.

• Designed to minimise the risk of Check Engine Lights (CEL).

• Large diameter construction offers flow characteristics similar to a straight pipe.

• Precision CNC-machined turbo adapter.

• Proven dyno gains of approximately 18-25 horsepower and increased torque on stock vehicles.

• Suitable for stock and tuned applications.

• Supports high-performance builds exceeding 1000HP.

• Significantly reduces exhaust back pressure and operating temperatures.

• Improved exhaust flow while maintaining cleaner emissions.

• Available for both GPF and non-GPF vehicle configurations.

Vehicle Compatibility

Compatible with selected BMW and Toyota B58 3.0T models, including:

• BMW M140i (F20) 2016+

• BMW M240i & M240i xDrive (F22) 2016+

• BMW 340i & 340i xDrive (F30/F31/G20) 2016+

• BMW 440i & 440i xDrive (F32/F33/F36/G22/G23/G26) 2016+

• BMW 540i & 540i xDrive (G30/G31) 2016+

• BMW 740i & 740i xDrive (G11/G12) 2016+

• Toyota Supra A90/A91 2019+

• BMW M240i (G42) 2022+

Please verify whether your vehicle requires the GPF or non-GPF version before ordering.

Performance Benefits

✔ Increased horsepower and torque.

✔ Improved turbo spool and throttle response.

✔ Lower exhaust gas temperatures.

✔ Reduced back pressure.

✔ Enhanced exhaust sound.

✔ Suitable for both daily-driven and high-performance builds.

Important Information

• This product is intended for off-road and motorsport use only.

• Emissions regulations vary by country and region. It is the customer's responsibility to ensure compliance with local laws.

• Please verify vehicle compatibility before placing your order.

Warranty

The catalytic converter is covered by a two-year manufacturer warranty against catalytic converter failure resulting in a Check Engine Light (CEL).

If a qualifying warranty claim is approved:

• A replacement downpipe will be supplied.

• The original unit must be returned through the original dealer.

• Shipping costs associated with warranty claims remain the customer's responsibility.

Shipping & Installation

• International shipments may be subject to customs duties and import taxes imposed by the destination country.

• Any applicable duties or taxes are the responsibility of the purchaser.

• Professional installation is recommended.

• Installation guidance and product support are available through VAGHAUS Performance.

If you have any questions regarding compatibility or fitment, our team is happy to assist before you place your order.