When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
You can't save money by reducing safety. That said, I ran a Comptech SC with 8 psi non-AC. I was using a Greddy E-manage followed by an AEM EMS for tuning though.