Dyno: Twin-Turbo R8

2009 Audi R8 4.2L with Heffner Twin-Turbo package. Running 91 RON pump gas, 6lbs of boost on a Mustang AWD setup. Installation and tuning by OEMplus in Laguna Hills, CA. Car also has Brembo BBK, OEM V10 clutch and larger V10 carbon sideblades.