Refining of precious metals

Catalyst Converter: 8D0131701AS / 8D0178C. „Audi S4“

The catalyst with code: 8D0131701AS / 8D0178C, is used under the Audi brand. These catalysts are characterized by a flat shape, protrusions on the cap and outlets which are arranged diagonally. Their inserts weigh less than 1 kilogram and are less than 40 cm long.

Catalysts 8D0131701AS / 8D0178C are mounted on the Audi S4 2L.

The Audi S4 is a car model that began production in 1991. This model is still in production. This is a sporty, more efficient version of the popular A4. A more extreme version of the Audi RS4 is also available.

From the very beginning, the Audi S4 has been considered the best model among sedans released in the 1990s. The engine was the same as the smaller S2 model, a 2.2-liter with two camshafts, a 20-valve turbine with a maximum output of 230 hp. 350 nm torque. Later, the range was complemented by a larger 4.2-liter V8 engine with 32 valves and 280 hp. The model was fitted with an Audi Quattro permanent all-wheel drive system as standard. The car was available as a 4-door sedan and station wagon.

2001 Another variant of the Audi RS4 was introduced, which replaced the Audi / Porsche RS2. This model was developed by Audi, unlike its predecessor, which was developed in cooperation with Porsche. The engine was the same as the Audi S4, i.e. Y. V6 engine with dual 30 V turbocharger. The engine was tuned to Cosworth to reach full 380 hp. Like its RS2 predecessor, this model was only available as a station wagon. Until 2001 The model has not changed much over time.

2003 It’s time for the new S4, based on the Audi A4 B6 introduced two years earlier. This model acquired a new 4.2-liter V8 engine and developed 344 hp. As usual, in keeping with tradition, this model was also available with a permanent version of the all-wheel drive Quattro.

2005 The Audi A4 B6 was upgraded and the car was eventually renamed the Audi A4 B7. A new RS4 was introduced in the same year. It had a 4.2-liter FSi V8 engine that developed all 420 hp. This model is still in production and is available in sedan, station wagon and convertible. A follow-up is expected in 2009. In the fall as the new RS5 based on the Audi A5. Behind the scenes, the Audi RS5 is said to have a slightly modified 4.2-liter V8 engine that will drive almost 450 hp.