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.
if I get a custom tune and omit my rear 02 sensors can i then get rid of my cats and still pass emissions i have a 04 silverado 5.3 being that they only read OBD in maryland thanks