a GENUINE pollack brand IMO WILL last the distance. It seems that there is lots of chinese copies getting around. $300 is a bit steep IMO. what vehicle have you installed these on? are the warrented at all?

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Cheers
Nick.

Roidio 2001 Holden Rodeo 4x4 2.8L TD. 2.5" Straight through exhaust sytem, heat exchanger shower system. 2" Body Lift,
And lots of fruit, B100 for 25,000 no problems.

Elsa 1983 Mercedes-Benz W123 300D. The Fastest Merc in Oz, Loving B100 Burgers