Note - This product is designed without a silencer and will be loud.Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience.Our sports exhausts range is fully guaranteed to give you assurance of our quality.This BMW M2 Competition performance exhaust is made in 3"/76.2mm pipework and replaces the rear silencer, which limits the audible exhaust output of the M2 Competition's S55 straight-6. This innovative axle back Venom exhaust system removes the rear silencer allowing the M2 competition to sing as it should from factory whilst remaining MOT and emissions compliant and significantly reducing weight. This exhaust includes quad 4" (101.6mm) carbon fibre tailpipes.Test Results Sound - Engine at Idle: 67dB (+8.5dB) - Static 4,000rpm test: 94.7dB (+13.3dB)Weight: 8.6kg (-11.4kg)All relevant fittings and gaskets are supplied.Please Note: This 'non-valved' exhaust removes the use of exhaust valves. Using a non-valved exhaust will not harm the running of your vehicle, you will simply not have exhaust sound options, however the Cobra Sport exhaust has been designed with this in mind.