OVER WITH DIFFERENT GETTING NO MY PIPES NEVER TURN BLUE.EVEN DURING BREAK IN.THEY JUST STARTED DARKINING TO A NICE GOLDEN BROWN COLOR NOW THE WHOLE PIPE FROM THE FRONT TO REAR NOT MUFFLER MOW IS THE SAME GLODEN BROWN COLOR. TRY A SCOTCH BRITE PAD AND SEE IF YOU CAN CLEAN UP THE HEAD PIPE AND START OVER WITH DIFF.JETTING, Sorry about the caps early in the morning did not notice til posted to lazy to re type whole message. [img]i/expressions/face-icon-small-happy.gif[/img]

 

They should be nice and brown from the beginning to the end . Otherwise your engine runs to lean . In the break in period they had also a bleu shiny color but this went away after 10- 12 h and turned up nice brown . Hope this helps