Here is one of the latest works from the German car tuning firm ABT Sportsline, the Audi S4 that comes from the factory with a 3.0-liter TFSI engine. ABT decided the stock performance numbers weren’t enough, so they tuned the engine to output 435 hp from the factory 333 horsepower. Along with the horsepower upgrades, torque was increased as well, and now has bragging rights of 520 Nm of torque from the stock 440 Nm. The car has new track speeds to go along with the tuning, and can sprint from 0-60 in 4.6 seconds, compared to the 5.1 seconds before any modifications. ABT Sportsline adjusted the electronic limiter on the Audi S4 that allows the car to reach a top speed of 282 km/h or 175 mph. They explained later on that the reason they can increase the electronic limiter is because the engine is not supplied with a V-max limit, or top speed limit. Styling modifications for the Audi S4 include a 4 pipe exhaust system that adds to the sporty look and contributes to the aggressive appearance.

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European tuners from Motoren Technik Mayer (MTM) have started tuning the brand new 2010 Audi S4 with a new supercharged 3.0 liter V6. With only some minor ECU tuning; no underdrive pulley, intake, or exhaust modifications, they were able to crank out 430 horsepower. That is a 97 hp increase over the stock model, and the kit will sell for around $3,500 USD. The torque numbers have been raised as well to 380 ft-lbs of torque and the new 2010 Audi S4 can sprint from 0-60 mph in 4.6 seconds. The BMW 335i rival can expect to see more competition come from Audi and MTM tuning, as the Euro-tuning scene comes to the states later this year.

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