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      08-10-2009, 10:15 PM   #20
hyltonk
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Drives: 2009 Z4 35i
Join Date: May 2009
Location: Toronto

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Just installed Vishnu piggy back upgrade - 70 WHP and 120 Ft/lb extra torque. Have 7 spd, dual clutch box. Car is still smooth and the low end is addictive. Serious punch and half the price of Dinan. Installed myself in 45 minutes, fully reversible, and they are amazing with answering questions. Best bang for the buck, by far.
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