The 2011 Mustang systems from Magnaflow are just about ready to ship. We are taking preorders now! As soon as they are in stock your order will ship out directly from the Magnaflow warehouse. Send me a PM for special pricing available to StangNet members. (http://www.stangnet.com/mustang-forums/795582-planet-magnaflow-stangnet-deals.html) 5.0L V8 Magnaflow 15589 2011 Mustang 5.0L V8 Cat-Back Street Series Exhaust 3" tubing and 4" polished tips Magnaflow 15590 2011 Mustang 5.0L V8 Cat-Back Competition Series Exhaust 3" tubing and 4" polished tips Magnaflow 15593 2011 Mustang 5.0L V8 Axle-Back Street Series Exhaust 3" tubing and 4" polished tips Magnaflow 15594 2011 Mustang 5.0L V8 Axle-Back Competition Series Exhaust 3" tubing and 4" polished tips Magnaflow 16398 2011 Mustang 5.0L V8 Clamp on Tru-X Pipe 50 state Exhaust 50 state legal - Clamps on behind OEM converters Magnaflow 16399 2011 Mustang 5.0L V8 Performance Pipes w/conv Exhaust with spun body converters (offroad) Magnaflow 16400 2011 Mustang 5.0L V8 Performance Pipes w/o conv Exhaust without converters 3.7L V6 Magnaflow 15591 2011 Mustang 3.7L V6 Cat-Back Street Series Exhaust 2.5" tubing and 4" polished tips Magnaflow 15592 2011 Mustang 3.7L V6 Cat-Back Competition Series Exhaust 2.5" tubing and 4" polished tips Magnaflow 15595 2011 Mustang 3.7L V6 Axle-Back Street Series Exhaust 2.5" tubing and 4" polished tips Magnaflow 15596 2011 Mustang 3.7L V6 Axle-Back Competition Series Exhaust 2.5" tubing and 4" polished tips