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.
XM3 = E46 M3 Sedan All Wheel Drive Twin Turbo
0-60 mph 2.7 seconds @ 15 psi
E46 M3 Coupe 60-130 mph 4.23 seconds