If you skip the exhaust lock tabs the bolts will loosen up in very short order.I put the lock tab washer things in place but didn't bend the tabs yet. I just keep tightening them at every oil change. They are always loose.
1966 109 5 door wagon 300Tdi "spermaceti fueled"
1994 RRC LeWiB "ruining the air behind me"
1968 2A 88
All my troubles are Rover