Maybe not but strangely after everybody start talking about quad exhaust on the 1M we suddently saw some test mule with quad..... 12 person including 1 from the forum were invited to test mule car and give their impression. -
http://www.1addicts.com/forums/showthread.php?t=456607[/QUOTE]
You realize that all true m cars of last few generations had nothing but quad exhausts? And initial test mules pretty much never do.