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Old Jun 8, 2011 | 06:41 AM
  #20  
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chaffe
Turbocharging Technician
 
Joined: Jul 2010
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From: Top secret. Mission:Imposible.
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Originally Posted by simo2k2000
Don't think I ever felt the difference on the Focus ST. Only difference was that I got an extra 30 miles per tank. Well worth the extra £3
You wont feel 10-15bhp though TBH mate
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