More than likely won't need machining, but you'll have to determine if your EMS is set-up for low impedance or high impedance injectors. Once you've figured this out, chose your injectors accordingly.jey_253 wrote:If I decide to go with the precision 1000cc injectors for the 90-96 dsm, will the need to be machined..etc to fit and since im using the AEM EMS do i need to have drop resistors