bradleyj114

I just register to this site so i have no idea how to use it really but i have a 2007 Saleen Mustang s281 sc and i bought a Metco Motorsports 2.80 supercharger pulley and i want to know if because it adds so much boost if im going to have to get it tuned or not when i install it.

tbar

2,80 pulley on the stock bottom end is living on the edge. Yes, you need a tune and a fuel system upgrade.