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.
why do you need it? Maybe I'm ignorant, but I've never understood why anyone would use one. They're meant to prevent compressor surge... why not just get a properly sized turbo that will never reach the surge line, and a functioning blowoff valve?