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03 Z. Only mods are a blackwing and edit tune. 370rwhp and 361rwtq.
we just ordered the Haltech stinger for it and we are going to port and polish the TB and do the plugs and wires this week hoping for almost 380rwhp. It was still a tad rich so we are going to lean her out a bit and the combo of that and the intake I hope to hit 10 more at the wheels! Pretty good numbers for stock I must say! This thing pulls nice.
I had the exact reaction a year ago when I first tried the acceleration on one of those early morning drives. You'll pick up the rwhp and a little extra with those mods. Open up your exhaust if you want a real kick in the power.