I got some too with trd springs!
.Sorry to say that they were also on the car when i got it!
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I just recently took them off, and guess what's stamped on the side! kyb!
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Also heard that trd gas shocks are same and so are the kyb, just badged different sprayed a different colour and with different springs! How true this i really dont know!???
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Have to agree with above though! Pretty good all round, mine bottomed out too but it's behaving slightly better on new springs!
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I asked fensport what they were like when i called up about them, and he said there ok not bad at all ! That was about it really!
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andy