on most nissan motors header gains are questionable, headers are really only needed when you are matching a good set of cams, which for the 370z isnt avail yet.. but a nice custom set of headers or longtubes with a built na motor is the only time i would bother with headers...
__________________
09 370Z 6M PW - FBO Best 1/4 mile = 12.926 @ 109 SOLD -- 08 BMW 135i - FBO 12.1@120mph SOLD -- white 09 e92 335 Coupe Mtech - 11.9 @ 119 :-)
|