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Discussion Starter · #1 ·
I was going to pick up one sti radiator cap, the 1.3 bar one, but I wanted to see what everyone thought of the efficacy of this mod at actually making the cooling system more efficient. Saw one thread on a radiator exploding but not clear if it was the caps fault or not. So, do you have to buy one or two? Is it a good mod to make the cooling system more efficient? and Can it be dangerous on a stock radiator?
 

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I've had the STi cap on for over a year now and no problems whatsoever ;)
....my wife bought it for my b-day present :D
 
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