Vauxhall Astra H VXR (05-11) Secondary Sports Cat / De-Cat Performance Exhaust Front Pipe:Sports Catalyst Sound Test Results: Engine at

Sound Test Results: Engine at Idle: 79dB (+17

Ford Focus ST Mk4 VLOG (3" Venom GPF-Back Exhaust)

With further software and hardware upgrades

Performance Gain: +3

These cat back systems can be matched with a choice of replacement front pipes in the form of either a sports cat or a large bore de-cat pipe to create the most dynamic sound track and performance increases

Vauxhall Astra H VXR (05-11) Secondary Sports Cat / De-Cat Performance Exhaust Front Pipe:Sports Catalyst Sound Test Results: Engine atCobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality. This Astra VXR performance exhaust is made in 2. 5" (63. 5mm) bore pipework and fits from the first section to the centre section. The de cat exhaust version is sold for motorsport and off road use only worldwide. The sports catalyst version