These are incredibly rare in detachable form, I had to wait for years for this to come up second hand as they are not available new. Changed cars so not needed any more.
I've had it on my GTi-6 for use with a trailer but mostly a bike rack to save scratching bodywork etc with the bike.
The bumper needs to be trimmed on the lip underneath but this is NOT visible from behind.
£120
Picture shows the only visible bit when detached, electrics are behind the bumper.
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Black 306 GTi-6 175.8BHP SCA Norwich ProjectTopaz Blue 205 CTI