Ford Obs Downpipe Does It Make A Difference?!

94 12 Valve:
4 inch down pipe to 5 inch exhaust to an 8 inch tip
BD 1 piece ss exhaust manifold
k&n air intake
5x14 injectors
ARP headstuds
Glowshift Gauges
Custom rebuilt and balanced injection pump
ported and polished head
custom HX35 w/ 64mm compressor housing
Airdog 165 4g with sump
97 7.3 OBS
3.5 inch straight pipe to stack
air intake
glowshift gauges