Thread: Group buy on Hart Plenums...who's interested? *NOW WITH LINK TO GROUP BUY*
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Old Aug 9, 2010 | 03:32 PM
  #20  
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stu21t
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From: south london
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Basically it will improve any engine 450+
don't forget it's not all about peak figures.
These plenums will improve the running of any engine and also have better distribution across all 4cylinders.
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