Valved Rear Silencer with GT-80 Polished Trims BMW > 4 Series > F82/83 M4 Coupe/Convertible Sheffield-based performance exhaust manufacturer

Sheffield-based performance exhaust manufacturer

4dB) at idle and 87

is a premium in-house designed engine aspiration product that not only delivers remarkable power gains

do not overtighten the screws as this can cause the thread in the rocker cover to strip

Fully Balanced On Our Vibration Sort Rig

Valved Rear Silencer with GT-80 Polished Trims BMW > 4 Series > F82/83 M4 Coupe/Convertible Sheffield-based performance exhaust manufacturerOur 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