The ATS 2029013228 Ported Compressor Housing will only fit the factory Garrett turbo.
No, we do not offer the ATS 2029013228 Ported Compressor Housing for the early 99 applications because they typically do not have the compressor surge issues like the 99.5-03 applications.
Most items such as this are not physically “rated” at any HP levels from the manufacturer. To best answer your question we request that more personalized questions requiring further details on a person’s application be directed to one of our Diesel Experts. Experts are available via E-mail (), Phone (1-888-343-7354) or LiveChat (Found on the bottom right hand corer of our website). This allows XDP to offer you a more personalized response to your question as well as an open channel for further questions and conversation.