budski31 Posted June 3, 2015 Share Posted June 3, 2015 Hi guys I've just bought a 2009 wrx and i didn't no if i should upgrade the panel filter or put an induction kit on cheers guys. Quote Link to comment Share on other sites More sharing options...
Tidgy Posted June 3, 2015 Share Posted June 3, 2015 panel filter unless you plan to have it mapped Quote Link to comment Share on other sites More sharing options...
Jay762 Posted June 4, 2015 Share Posted June 4, 2015 yup a high flow panell will work just fine as an initial mod Quote Link to comment Share on other sites More sharing options...
ChrisD Posted June 4, 2015 Share Posted June 4, 2015 I have piper cross panel filter and mine works great, currently at 266 BHP, going up to 340 ish next week Quote Link to comment Share on other sites More sharing options...
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