If i remember correctly these are on clips mate but some people put double sided sticky tape on the inside for extra stick downiness.
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Colorado Red 07 Plate ST
Mountune CAIS - 60mm Throttle Body - Full Resonated Milltek System - Bilstein B12's - 300mm front discs - Gloss Black Team Dynamics Pro Race 3's - Tints - Red-Black DMB Badges and loads of eBay stuff...