Jak's fabrication quality got better over the years. The welds and transitions were much smoother than on the NG900 downpipe I bought from him a few years ago. Other than his choice of a resonator, I didn't really have anothing to complain about. The fit was nearly flawless too. He actually mentioned that he doesn't have a jig for 9-5 exhausts at his shop. Instead, he gets his mother in-law's Aero up on the lift and makes a tailored job every time. I suppose this kind of dedication had to pay off ;].

Tools:

• 22 mm (7/8") crowfoot socket: O2 sensors (or specialized O2 sensor socket);
• 14 mm socket: reinforcement panel, exhaust clamps and joints (could differ depending on the supplier);
• 13 mm socket or wrench: downpipe to turbo nuts;
• flat screwdriver: O2 sensor connectors;
• torque wrench;
• ramps and jack stands;
• anti-seize lubricant;
• exhaust sealant.