MagnaFlow Touring Series Exhaust System Fits select: 2004-2005 BMW 645, 2006-2010 BMW 650

Touring Series Stainless Steel Cat-Back Exhaust System with Split Rear Exit by MagnaFlow. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". Exhaust System Sound: Moderate. The Touring Series exhaust systems are tuned for everyday driving, with a deep and mellow exhaust note of true performance character but at a decibel level and tone that does not get tiring even over long hauls. The stainless steel pipes in a MagnaFlow System are mandrel bent, keeping their shape through the bends to avoid obstructions to the gas flow. The gases are led into the free-flow mufflers with smooth necks and a straight-through, perforated stainless steel tuning pipe. The pipe is wrapped in a stainless mesh wrap and surrounded by tightly packed acoustical fiber in a lap-joint welded stainless steel body. The muffler is finely tuned to dampen irritating pitch notes and to deliver that smooth, deep and powerful tone that is so characteristic of MagnaFlow exha