Take your driving experience to the next level with the Wagner Decat downpipe kit, designed for the powerful BMW B58 engineThis downpipe is available with a racing catalytic converter (200 CSI) or as a variant without a catalytic converter, allowing you to customize the vehicle to your own preferences. The kit fits various BMW models, including the F20/21 M140i, F22/23 M240i, F30/31/34 340i, F32/33/36 440i, G30/31/38 540i, G32 GT 640i, G12 740i, X3 G01 M40i and X4 G02 M40i.
The downpipe is manufactured from high-quality cast iron stainless steel 1.4301 (SS304) for exceptional durability and corrosion resistance. With a diameter of Ø3.5 With a supplied adapter for a perfect connection to the original exhaust, seamless integration is ensured. The CAD-optimized design improves flow dynamics, while two lambda sensor connections enable accurate exhaust gas measurements. Installation is performed directly in place of the standard part with a 100% fit guarantee. The reduced thermal load on the turbo extends its lifespan, while the lower back pressure ensures more torque. This downpipe kit is suitable exclusively for vehicles without a GPF.
Properties
- High-quality cast stainless steel 1.4301 (SS304) for durability and corrosion resistance
- Diameter Ø3.5 with adapter for perfect connection to the original exhaust
- CAD-designed and flow-optimized for improved flow dynamics
- 2 lambda sensor connections for accurate exhaust gas measurements
- Easy replacement of the standard part, 100% fit guaranteed
- Lower thermal load on the turbo for a longer lifespan
- Increased performance due to reduced back pressure
- Significant increase in torque
- Choice between racing catalytic converter (200 CSI) or without catalytic converter
- Suitable only for vehicles without GPF
Technical specifications
- Material: cast stainless steel 1.4301 (SS304)
- Diameter: Ø3.5
- Connections: 2 lambda sensor connections
- Version: with racing catalytic converter (200 CSI) or without catalytic converter
- Adapter for connection to the original exhaust
Contents of the set
- Wagner Decat downpipe kit
- Adapter for connection to the original exhaust
- Installation instructions
Frequently Asked Questions
Which vehicles does this downpipe fit?
The kit fits various BMW B58 models, including F20/21 M140i, F22/23 M240i, F30/31/34 340i, F32/33/36 440i, G30/31/38 540i, G32 GT 640i, G12 740i, X3 G01 M40i, and X4 G02 M40i.
Can I choose between having or not having a catalytic converter?
Yes, the downpipe is available with a racing catalytic converter (200 CSI) or as a variant without a catalytic converter.
Is this downpipe suitable for vehicles with GPF?
No, this kit is only suitable for vehicles without a GPF. Due to the removed catalytic converter, an error message may appear in the DME.
