from 3-15hp, depending on mapping etc.
Don't forget to remove the Pair Valve Setup, and BLOCK the holes above the Exhaust ports.
Buy the block-off plates, or cut the tubes and crimp them shut, then roll them over.
Don't forget to remove the Pair Valve Setup, and BLOCK the holes above the Exhaust ports.
Buy the block-off plates, or cut the tubes and crimp them shut, then roll them over.