Audi S5 B9 Sport Diff models without Brace Bars - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-100 Titanium Trims Model_330D (F30) Saloon 13-19 Rolling Road Power Testing -

Rolling Road Power Testing - BMW M140i Sports Exhausts (De-Cat + Non Resonated Cat Back)

Calibrated to Track Specification

the DaveFab R53 kit mounts to factory mounting points and comes with all the parts you need for a neat install

We replace the original turbine and CNC mill the turbine housing to install a larger 9 blade turbine for greater gas flow

and offer over a 15% increase in overall diameter over the stock tailpipes

Audi S5 B9 Sport Diff models without Brace Bars - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-100 Titanium Trims Model_330D (F30) Saloon 13-19 Rolling Road Power Testing -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