POSITIVE DD from across the globe (PART 4) ... <b>Check out AERO it adds an average of 80-90 HP, and increases mileage 2-8mpg.</b> <A HREF="http://www.dieseldoctor.com/messageboard/data/672.html" target="_blank">http://www.dieseldoctor.com/messageboard/data/672.html</A> <b>improved my MPG by about 5 MPG</b> <A HREF="http://www.8thcivic.com/forums/showthread.php?t=23796&page=2" target="_blank">http://www.8thcivic.com/forums/showthread.php?t=23796&page=2</A> <b>"took a spankin!</b> <A HREF="http://hemitruckclub.infopop.cc/eve/forums/a/tpc/f/3790098252/m/2800080294" target="_blank">http://hemitruckclub.infopop.cc/eve/forums/a/tpc/f/3790098252/m/2800080294</A> <b>Aero Turbine Mufflers Increase Power and Fuel Economy</b> <A HREF="http://www.articlesbase.com/autos-articles/aero-turbine-mufflers-increase-power-and-fuel-economy-145209.html" target="_blank">http://www.articlesbase.com/autos-articles/aero-turbine-mufflers-increase-power-and-fuel-economy-145...</A> <b>the Aero Turbine Muffler acts like a jet engine and increases the speed of the exhaust as it flows</b> <A HREF="http://ezinearticles.com/?Duramax-Diesel-Performance&id=614513" target="_blank">http://ezinearticles.com/?Duramax-Diesel-Performance&id=614513</A> <b>"My muffler of choice</b> <A HREF="http://forums.cluboverclocker.com/showthread.php?t=2655" target="_blank">http://forums.cluboverclocker.com/showthread.php?t=2655</A>