HJS Downpipe EURO 6 ECE-approved suitable for F2x F3x F87 M2 BMW, 90 81 2010

This HJS Tuning "Downpipe" is designed for BMW 1-4 Series with the new Euro 6 N55B30A engines. No reprogramming of the engine control unit is necessary.

The significantly reduced exhaust back pressure of the HJS Tuning catalytic converter not only ensures reduced temperatures in the turbocharger, but also a significantly better response from the engine. Naturally, a power and torque improvement is clearly noticeable. And last but not least, the metal support used also provides a more sonorous sound.

Expected power increase of approx. 10 HP in standard vehicles (see diagram)

With ECE approval, registration in the vehicle documents is not required.

We recommend renewing the V-band clamp with metal gasket. 

Product Features:

• perfect fit like series part (also for the original exhaust system)
• ECE approval (registration-free)
• Two 300 CPSI tuning catalytic converters from HJS
• Gas-tight high-performance flexible pipe
• Ideally suited for chip tuning as a basis for higher performance levels
• Made in Germany
• Motorsport proven
• Maximum durability
• 30 years of know-how
• HJS type plate with ECE approval no. HJS-No. 90 81 2010

Advantages:

• low exhaust back pressure
• fast exhaust gas discharge
• lower exhaust gas temperature; protects engine, supercharger and manifold
• flow-optimized
• better turbocharger response
• power increase up to 10 kW (14 HP)
• sound increase up to 2 dB
• Plug & Play
• EOBD tested
• Stainless steel catalytic converter
• Euro 6 approval

This downpipe replaces the series catalytic converter with OE number: 18.32.8.602.882

The complete ECE approved application range: