I would love to see dyno runs, on an independent dyno.
FSR vs. HPF
Whats the spool difference?
HPF manifold is a semi-tubular desing, FSR is a complete tubular design. I am curious.
E46 M3 Sedan All Wheel Drive Twin Turbo 1200 whp
E46 M3 Coupe Turbo 60-130 mph 4,2 seconds (2011)
E46 330 xi Mora Metallic