Quote Originally Posted by mudnut View Post
I finally checked the economy since I had the headers fitted, the head plained, the carby heater grid removed, and disabled the Pre-Heat Flap diaphragm (warmer months only).

I got 13.4 lt/100km highway driving and 15.11 for light duty four wheeling. As a bonus for the extra ponies gained, it should only take 23500 km of highway driving to recoup the cost of the headers.
Hey mate, great figures. Can I ask what accessories you've got (tyres/barwork/auto-man/roof rack/winch/draws)? I get 15 on the highway which I'm happy with (on 35s, winch+front bar, draws with 150kg tools, 2 passengers and heaps of camping gear. no roofrack. manual).