HPerformance Audi TT RS

The Audi TT RS already had a reasonably high power output of 335 hp from its 2.5 liter inline-5, or 134 hp per liter. HPerformance opted to be completely unreasonable and go for an insane 740 hp from the same engine, or 296 hp per liter.

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The centerpiece of this change is a modified GTX-35 turbocharger mated with an HPerformance exhaust manifold exiting through a 90 mm Clubsport exhaust system. An intercooler with a 90 mm intake increases the turbocharger’s effectiveness. Other needed changes include a modified fuel feed and high pressure fuel pump, optimized injectors, and new engine software to tie it all together.

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An Audi R8 ceramics brake system was installed for best stopping performance on the track.

The total cost of all improvements is €50,000.

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