A tune is totally worth it. I've had a canned tune done om my FX and a dyno tune on my Z. A canned tune will give you improvements if you're on a budget but for best results get a dyno tune. They can totally change the speed limiter and rev limiter. But don't get hung up on increasing redline. There must be a reason to do it (does the engine continue to produce more HP beyond 7500 rpm?)...the dyno will tell you.
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2012 GT-R Black Edition Jet Black
2010 370Z 40th Anniversary // SOLD
Last edited by djpathfinder; 06-17-2011 at 08:56 PM.
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