The exhaust pipe behind Buick is square. What's the name of that car?

The exhaust pipe behind Buick Avenue is square, with two on each side. 20 10 The new Buick Avenue is equipped with a new 3.0L V6 SIDI intelligent direct injection engine and a six-speed automatic manual transmission, and the specifications of tires and wheels are improved. 20 10 The brand-new Buick Avenue has the most spacious space in its class, leading the same class in luxury and complete configuration, the surging power and smooth control brought by the direct injection V6 engine and the advanced GRWD luxury rear-drive platform, and the top-level tranquility and comfort brought by Buick Quite Tuning's silent patent, which fully embodies the outstanding demeanor of Buick rear-drive luxury cars and conforms to the rationality of industrialists who have built the mainstay of the times for luxury cars. The tail of the boulevard has also been carefully designed. Widened chrome trim strips are connected to LED taillights. The square exhaust pipe shows luxury, a very luxurious temperament. Chrome-plated double exhaust pipes are also integrated into the design essence of sports cars.