Gain 15% flow increase without even removing or replacing the CP3 The Bag-of-Parts from Industrial Injection is a "kit" designed for those needing to increase the flow of their CP3 to meet the demands of higher output injectors or programmers/chips, but don't want to break the bank (or their knuckles) by replacing their existing CP3. Designed to be a simple installation, the Bag-of Parts includes a ported gear drive, pressure regulator and rail pressure fitting.