Transforming This Rare 300HP Opel Astra Sri Turbo In 1 Day!

Vauxhall astra mk4 z20let time! Having fitted plenty of different suspension coilovers over the years so i know quality parts, and i rate these highly for the sub £1000 range. Fitment is easy if you follow this guide you can do these diy at home with the correct tools. 30 point adjustable damper and custom spring rates make these very comfortable. https://www.paypal.com/donate/?hosted_button_id=G6RG83RC34EWL www.unknownperformance.co.uk Instagram: https://www.instagram.com/officialaaronaaron/?hl=en Facebook: https://www.facebook.com/UnknownPerformanceLtd/