BMW M5 Forum and M6 Forums banner


  1. 2nd Generation Audi R8 Twin-Turbo'd by Heffner Performance with HRE & Wheels Boutique

    Tires, Wheels, Brakes & Suspension Forum
    We’re usually pretty patient… but it’s really tough when you know your ride is under the knife at Heffner Performance getting a twin-turbo kit installed. Every second of anxiety was well worth it though; a realization we quickly came to after experiencing the first nauseatingly fast...