The only problem with the vararam is that it makes the possibility of hydrolocking your engine a lot higher than it is now. If you ever drive through a deep puddle, there's a direct path from the ground to your intake.
If it rains in 'here', and you drive the vette in that rain, I might skip any force fed or bottom breathers.
If you only drive on sunny weekends with the top out, get whatever you want. However, NONE of the aftermarket setups deliver ALL of the HP gains they claim. Blackwing and the similar K&N setup seem to be best value if you can find them used (filters are easily cleaned).
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2007 LeMans Blue/2-Tone Gray MN6 Coupe, 3LT, Z51, QX1, CC3, R8C
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