A very common question we are asked by our customers is "What is the difference in RoughTrax premium exhaust quality to others?" Well, let us explain; Who is the manufacturer? The manufacturer for RoughTrax premium exhausts are A2A Exhaust Specialists, A2A stands for Air 2 Air and is a brand name for TMA, their strap line is "OE in everything but name". TMA is the largest independent manufacturer of quality exhausts...