The most popular muffler in motorsports history is a proven winner and keeps getting better. Its patented flow directors, large diameter tubes, aluminized construction and fiberglass matting will increase power, lengthen the life of your system, and will also give you a deep throaty tone.		Thermal Research & Development offers an extensive line of high-quality stainless steel and aluminized mufflers and stainless steel tips. With their high flow characteristics and great sound, they truly are designed "with the racer in mind."		Magna-Flow from Carsound. The muffler with the straight-through design that delivers high performance with unrestricted high-flow. Polished Stainless Steel or Aluminized, all welded to give you durability and a clean appearance.