rfi

2008 speed 3. Bnr s3, jbr 3.5" intake, hks bov, front mount intercooler, auto tech hpfp internals, ngk 3787 plugs, brand new itfp. Hpfp pressure dropping at wot only 1 cell. Being tuned by Justin at freektune he suggested new plugs. Didn't help. I replaced itfp and filter, didn't help. Hpfp has...