HJS Downpipe suitable for BMW B58B30A Mx40i EU6 with TÜV/ECE

This HJS Tuning-Downpipe is designed for your BMW MX40i with B55B30A engines. The catalytic converter developed by the HJS tuning experts has gone through all the development steps. Made of stainless steel and coated with the dome thermal insulation originating from motorsport, a high-tech tuning product is now available for BMW drivers.

The significantly reduced exhaust back pressure of the HJS tuning catalytic converter not only ensures reduced temperatures in the turbocharger, but also significantly improved engine response. Naturally, an improvement in power and torque is clearly noticeable. And last but not least the used metal carrier provides a more sonorous sound. With the ECE - approval, an entry in the vehicle documents is not required.

Features:

• For Euro 6 vehicles
• Largest possible pipe routing
• 300cpi racing cat with TÜV
• Significant increase in performance
• Acceleration of the engine much faster
• Lower exhaust gas temperatures and exhaust gas back pressure
• Longer durability of the turbo and engine
• ECE tested, registration free
• Pipe diameter Ø86 mm / 80 mm
• Approved with series & M-Performance AGA
• Plug & Play
• Thermo-Integral-Insulation
• Optimized performance
• Sporty sound
• Power plus of approx. +14kW and +19Nm