Unless your doing high speed runs, you won't really utilize enough downforce to effect handling. The diffuser from evo r is functional, just not as efficient as an f1 diffuser. The diffuser may not go midway, but notice that all the components are relatively flush. Even the exhaust has aerodynamic significance.
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[09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R]
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