For vehicles manufactured prior to July 1988 the requirements are not specific, however, vehicles submitted to Transport SA will be acceptable if:-
a. The exhaust outlet exits beyond the last door or window opening on the side or rear of the vehicle;
b. The exhaust outlet is as close as possible to the outer edge of the vehicle but not outside or underneath the vehicle;
c. The exhaust system, if contactable, is adequately shielded and any sharp or hazardous projections are suitably treated.
For vehicles manufactured on or after 1st July 1988
The exhaust must exit to the rear or on the right hand side and extend at least 40 millimetres beyond the
furthermost outboard or rearmost joint of the floor pan that is not continuously welded or permanently sealed.
No exhaust outlet is to extend beyond the perimeter of the vehicle when viewed in plan.
The exhaust outlet, if to the side of the vehicle, shall discharge to the right hand side of the vehicle and
downwards at an angle to the horizontal of not less than 15 degrees and not more than 45 degrees.
The exhaust outlet, if to the rear, shall discharge at not less than 10 degrees above or 45 degrees below the
horizontal.
			
		
 
	
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