BMW F30 320i M Sport - Resonated (Quieter) Cat-Back Exhaust System with Polished GT-80 Trims leonmk3 The pitch perfect sound changes

The pitch perfect sound changes when under load increasing in volume and becoming more engaging with sound testing of the resonated cat back exhaust revealing a + 4dB increase on the 4

To construct a TTE450L we change the original compressor and employ a far larger and more efficient billet wheel with extended tip technology and mill the compressor cover to the optimum gap to match the new compressor profile

Yet under load

6 PS clutch power and 599

Seat Leon Cupra MK3 (All variants)

BMW F30 320i M Sport - Resonated (Quieter) Cat-Back Exhaust System with Polished GT-80 Trims leonmk3 The pitch perfect sound changesOur 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