Gavin and his communication has been great so far in my experience. I jumped on that Cyber Monday deal for the black ceramic headers for $875 shipped. I emailed him to place the order, he confirmed, I sent him the PayPal money, and he shipped them out and gave me the tracking number.
I can't wait to get these on the car paired with the AA tune! I have the BMW PE but I'm keeping the secondary cats in. They won't get plugged up, and the secondaries don't muffle/smooth out the tone as a resonator would, but I think it'll help clean it up a bit. Plus when I'm in a crowded area, just keep my foot outta it and below 4k I should be good...
2007 E90 328xi l 6MT l Sparkling Graphite Metallic l ZSP l ZPP l ZCW l iDrive l Logic 7 l Mapleridge Headers l 3 Stage Intake Manifold l AA tune l BMW Performance Intake l Euphoria 6K LED interior l Blacklines l V3 Mtec l VMR VB3