BMW's new M performance exhaust [video]

Performance exhaust system is made of new heat-resistant material that reduces backpressureBMW has announced a new M Performance exhaust system which will be available as an after-market accessory for the M3 range.The new sport exhaust system is made of a new heat-resistant material called Inconel, a chrome-nickel alloy. The new system reduces back-pressure inside the exhaust resulting in a new