With the addition of an ECU software for the Bentley Continental and Flying Spur GT Speed versions, RENNTech has made some alterations to its Bentley product offerings. The latest ECU improvement heightened horsepower from the factory Speed GT’s 600 hp to 640 hp and a top torque of around 575 lb-ft. RENNTech’s Bentley Speed ECU flash sells for $5800 or €4,400.
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