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Discussion Starter · #1 ·
Who uses's the Tornado with their ride ? and is there any improvments?
 

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My buddy put one on his 06 sierra and said there were no improvements anywhere. MPG stayed the same that the seat of the pants performance was little to none. He was pissed. :rofl:
 

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Discussion Starter · #3 ·
no kidding ? this stupid thing is around 78 or so bills
 
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