The Supersprint sport exhaust for Audi A1 1.4 TFSI is composed by:
Turbo downpipe right after the turbocharger, a front pipe with a metallic catalytic converter ( sports cat ) or without ( decat pipe ), a centre pipe and a rear muffler with chrome tips
The turbo downpipe replaces the OEM cat with simple pipe, for optimal flow and less heat diffusion in the engine bay.
The new sports cat, as in the Supersprint tradition, is a HJS metallic cat 200 cells per square inch ( CPSI ), and it's placed under the frame of the car. It's much more efficient and free-flowing but at the same time offers an optimal reduction of pollutant gas.
The secondary O2 sensor is originally placed right downstream of the stock cat so there will be some electronic anomalies.
The Check Engine Light will turn on. Worse fuel efficiency and performance may also be consequences. On some models it can also send the car in recovery / limp mode.
To avoid this it's necessary to either extend the sensor wire and connect the sensor downstream of the Supersprint cat if installed, fit a sensor cheater / microcat between bung and sensor, or reprogram the ECU to deactivate the sensor or change the emission control range.
Ask for details on these operations.
The decat / catless version is recommended for track use, it's lighter and it requires a ECU tune / reprogramming.
The O2 sensor issue must be addressed.
The cause may be a different diameter, anyway the coupling may require a connecting sleeve.
Such adaptors must be requested at the moment of the order, ask our experts about the price and measures.
note The coupling with the OEM rear mufflers may require specific adaptors, even in the case when it's not specified that the part requires to be fitted as a kit with others.
