- Oct 13, 2007
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- 1,501
hi all u fellow hyundai owners....just took devilery of my new ride...sonata 2.4 ef..i was wondering is it ok for me to put in a bottle of XR1 Engine treatment n also XR1 ATF treatment...would there be any advantages to the engine n gearbox...need some advise from u sifu`s....plse reply...thanks a bundle...