Omg, please tell me it's not from rebel auto worx... they are a big stay away from just because of the poor quality and the tubes don't like to stay on worth ****. I know how bad they are because I wasn't able to hold full pressure after 4500 after I finally decided to use some redneck ingenuity to get them to stay on for more than half a run. I had to rip mine out and had a buddy of mine make me a new set just because of this reason. If anything just sell them for scrap, grab MPfab's kit and never look back on what crimes you just committed to your wallet because your car will thank you later.