PPE Boost Increase Valve 23-25 PSI For 2001-2004 Chevrolet/ GMC 6.6L Duramax engine Straight-through muffler boosts power and 1 Kit:BJK-P-XP1KT-HCR NOTE Electronic fuel regulator BJ-1-002-K-4#GEN
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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20