Rubber Muffler Exhaust Silencer Bung, 17.5 * 2.5, 2 PCS | Universal, Exhaust Tail Pipe Bung, For Motorcycle Dirt Bike

You receive 2 colours black and red

NOT made of rubber, made of relatively hard plastic so unless your exhaust is exactly the same diameter as one of the rings it is useless and will just fall out. It does not form any seal at all. I would have immediately returned but am fed up with the hassle of having to do the returns and have had 3 bits of rubbish recently already. I had to take a grinder to them and grind down a ring to a size that would work but it is far from ideal and not a perfect seal. These should absolutely be made of rubber it’s the only thing that could work but save your money these are rubbish. Would give zero stars if possible.

Love these. Looks the part if nothing else!