CP3 Regulator Extension Harness for 11-16 6.6L Duramax Fleece(0)No Reviews yet SKU: FPE-HAR-CP3-EXT BRAND: Fleece Performance $41.99 Quantity discounts available QuantityPrice Quantity -+ MPN Add to Shopping Cart DetailsRegulator extension harness for use with Bosch CP3's used in 6.6L Duramax applications.Fitments Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review