427 Procharger F1A build
04-09-2017, 08:55 AM
#62
My buddy is changing his setup again and I had a chance to see his filter. It's the factory procharger branded k&n. With his 387ci LSX and a F1a-94 he made 800whp @15psi with it on and 915whp @20psi without the filter all through a SLP loudmouth exhaust