Shumby, I'm sorry I haven't been able to keep up to date. I remember hearing something along the lines of that you couldn't hold boost with the long tube headers. I figured it was because of a leak and they've since fixed. However, did finding and fixing the leak allow you to use the long tube headers? I honestly think GTM has greater hardware than Stillen but this issue with the long tubes is dissuading me. Lastly, is it because of the AT tranny that you don't want to go above 350 tq? Anyone have an idea how much the MT can handle? I hope it's above 400lb/tq.
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2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold 
2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling
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