500001031 – Downpipe Kit with Racing Catalytic Converter 300CPSI for Audi S4 B9 / S5 F5 3.0TFSI
High-quality cast stainless steel 1.4301 (SS304)
Complete with 2x Ø3 with adapter to the original AGA
CAD-designed and flow-optimized
1x lambda probe connection in the OEM location
Racing metal catalytic converter (300 CPSI EU6 coating)
100% perfect, simply replace with a standard part
Less thermal load on the turbocharger Increased
Power thanks to reduced backpressure
Significantly more torque
Also available with optional replacement center silencer pipes Ø76mm (3 inches) (sporty, dull sound)
Possible DME error display.
