BMW G87 M2 - Non-Resonated Secondary Cat Back System with GT-115 Cerakote Black Trims Audi > A4 > 2.0 TFSI S line B8 (2WD and quattro manual-only) Saloon & Avant > 2008 to 2011 Sound - Engine at Idle:

Sound - Engine at Idle: 71dB (+1dB) - Static 4

reasonably priced but high quality alternative from cheap nasty eBay kits & more than capable of doing the same if not better job than more expensive Intercoolers

multiple heat cycles under pressure can lead to splitting of the bonded plastic halves and leaking lids

In car sound levels are kept to an increase of +8dB recording a maximum of 80dB under full load

In the comfort driving mode the valves remain shut forcing the gas flow through the flow-optimised rear box

BMW G87 M2 - Non-Resonated Secondary Cat Back System with GT-115 Cerakote Black Trims Audi > A4 > 2.0 TFSI S line B8 (2WD and quattro manual-only) Saloon & Avant > 2008 to 2011 Sound - Engine at Idle: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