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Old 29-06-2013, 09:23 AM
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thank you everyone for your input, they have been very helpful.

the reason I want to replace the filter is because they are in the fender and I have no idea how to take it out and clean it. I am sure it is serviceable as I think it is a K&N wet filter, but I dont have the tools or confidence in taking it out.

You think I should just replace the cat?

hrm, I am pretty sure the 100k service has been done as my mechanic told me the timing belt doesn't look worn. reason I am worried is i just don't know what the previous owners did. Also I have difficulties shifting into second gear from third and the car shudder alot at very low speed.
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02STi - Vipec, Oval Varex, APS CAI with K&N Filter, Walbro 255L, 53MM Koyorad & STD Coilover

19.5psi tune 271.6HP@6000 351.3NM@4700
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