BMW G20/21 M340i & G22 M440i - OPF Back Exhaust System - Uses OE Trims Model_425D (F36) 2015-17 Test Results:

Test Results:

Sound example of the closely related BMW 435D Exhaust (Quad Exit Rear Exhaust)

removing any restriction and its function as a noise-canceling device

The new quad exit Cobra Sport exhaust for the 430D is finished with a pair of specially designed twin 3” (76

BMW G20/21 M340i & G22 M440i - OPF Back Exhaust System - Uses OE Trims Model_425D (F36) 2015-17 Test Results:Our range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat Back system