GT Motorsports: GTM G37 Stage 1 TT Tuner Kit, GTM 3" Cat Back, 583RWHP/532RWTQ
Damn! I haven't been on the forum in almost 5 months. I'm finally back and see these G37's are putting down 583whp on stock internals?! That is awesome! Huge improvement of the 35de and 35hr.
my bet is by the time you have all those bells and whistles like the engine management and all the in car diagnostics it's an easy $17-20K installed and done.
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