Audi tuning house MTM GmbH has turned its attention to the diesel-powered 4.2-liter V-8 engine currently residing in the A8 luxury sedan, as well as the Audi Q7 and Volkswagen Touareg sport-utility vehicles. Several levels of specification are offered, depending on whether top speed or torque output is at the top of a customer’s wish list.
Our pick would be the 410-bhp variant (a 60-horsepower bump from the stock engine), which just happens to pack a massive 686 lb.-ft. of torque. MTM also offers an A8 that maintains the standard specs of the 350-bhp engine, but ditches the 155-mph speed limiter for a new top speed of 175 mph. That should be handy on Germany’s Autobahn – perhaps a bit less so here in the States.
MTM engine management systems are at the heart of the performance upgrades. A wide range of alloy wheels, exhaust systems, brake upgrades and cabin trim are also available on the A8, Q7 or Touareg.
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