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Old 10-06-2021, 07:18 AM   #10
wbradley
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Or you can simply purchase a new foam in the correct diameter with more filtration. IIRC there is red, green and yellow. One of them is max suction, maybe go for the least aggressive one.

Genuine HKS filters that aren't exposed to severe overheating and if checked regularly should be safe. Exception if you are driving in dusty conditions regularly. I've had a green with my setup for around 7 years. I think I replaced it once after spilling oil on it accidentally, and otherwise I clean it with dish soap if it looks dirty. I also remove the MAF sensor and spray it clean occasionally. Works great.
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