True it is not a simple DIY. They recommend you have mechanical experience. The instructions are available online at
www.paxtonauto.com. IF you follow all the instructions we have not issues. The last instructions being very important. The double check. That has been the issue. I will install it on a car from detroit no problem. I am running my car close to 900 hp without any return line.
I am picking up a car today and installing a Roe Blower from Michigan. As of now you can make more hp with mods to a Paxton set up than a Roe. The Roe is much easier to install by far. But is currently more limited to hp numbers. The questions still comes how much HP do you need for the street ? DIY roe is much easier by far.