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.
For your lt4 blower install a ls9 map and adjust the tune it's a 3 bar map capable of 315kpa roughly... Plugs into the factory lt1 connector... Install the map on the rear of the blower (not the front)