2004 5 speed.67k miles. MAC off-road h pipe, flows catback, only mods. Put down 287/309 sae corrected on mustang dyno. is this average? High? Low? My first 4V. Had a.06 roush and a 99 gt previously.
2004 5 speed.67k miles. MAC off-road h pipe, flows catback, only mods. Put down 287/309 sae corrected on mustang dyno. is this average? High? Low? My first 4V. Had a.06 roush and a 99 gt previously.