E60 M5 Signature High Flow Cat Back Exhaust E60 M5 V10 (2006-present)   Price: $ 3,800.00           F1 sound. Superlight weight. Rocket-style performance gains. Optimal power, high performance durability, attractive weight advantages, and glorious sound are the core values of this aggressive new cat back exhaust system from Active Autowerke. Extensive research and development has allowed us to achieve this near-perfect choice for the V10 E60 M5. A durable design featuring 3-inch diameter polished 304 stainless throughout and beefy 93mm signature tips, the system provides substantial air flow improvements over BMW’s factory exhaust – delivering up to 17+ newfound HP with key gains in the midrange. This is measured rear wheel horsepower on the dyno, actual delivered engine horsepower will be higher. The system also delivers an unmistakable Formula 1 tuned note with no trace of highway drone. Factory fit specifications are followed closely, and system bolts on with no cutting required. This product comes complete with full warranty Key Features Large 3-inch mandrel bent tubing for maximum flow Durable, polished 100% 304 stainless steel Double-walled 93mm signature stainless tips Emits an F1 style sound Improved midrange power Gains of 12-15 HP over stock configuration; up to 17+ HP with our programmed software Completely bolt-on; no cutting required Illustrated instruction manual Two year warranty   Video E60 M5 Signature High Flow Exhaust - VIDEO 1   Dyno E60 M5 Signature High Flow Exhaust Dyno Chart   Customer Reviews       Active Autowerke Signature S85 (V10) Pulley Kit           Price: $ 3,800.00       Call 305-233-9300   Terms & Conditions Email Us At info@activeautowerke.com Sign-up for the Active Autowerke Newsletter © 2009 Active Autowerke. All Rights Reserved   Designed by Fire Escape Studios