C4 Air Management Fuel Delivery Air Fuel Upgrade
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26 We also machined out the bridgesin the front of the plenum in theinterest of reducing restrictions atthat location in the air-intake system.You can see that the bridge inthe left port has been machined away,with the right side not yet done.While we believe this will enhanceperformance, we think removal ofthese bridges may have resulted in aslight induction system whistle duringcold engine operation. View Related Article
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