I got my Magnaflow 15838 at MagnaflowPlanet.com for $427.07 and Free Shipping. They had the best price I could find and still have a valid warranty. Heres the link http://magnaflowplanet.com/product.php?productid=6166?tw3
I got my Magnaflow 15840 at MagnaflowPlanet.com for $460.06 and Free Shipping. They had the best price I could find and still have a valid warranty. Heres the link http://magnaflowplanet.com/product.php?productid=6545?tw2