Bought this at an auction several years back. Never found out exactly what this was for. It is New and in new condition. 25 bucks and it's yours. Some nice fellow found the website for these mufflers, so check it out for yourself. Thanks, guy. http://www.alwitco.com/Highpressure.html ************CLEANING OUT MY SHOP/YARD SALE************** I've collected too many "things" over the last few years. Mostly construction related items, but much more. Search 913-944-7951 to see my other listings. May trade. email with your offers. Will almost always trade for something worth more, even construction materials. kansas