Vauxhall Astra H VXR (05-11) Secondary Sports Cat / De-Cat Performance Exhaust Front Pipe:Sports Catalyst Performance Gain: +3

Performance Gain: +3

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

The M4 development has been based around a valved turbo back exhaust with the addition of a primary de-cat (catalyst bypass) exhaust upgrade

Cobra Sport has added attitude to the little Abarth

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 Performance Gain: +3Cobra 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