| >>I'd rate the Falcon TR6 SS exhaust system one lug wrench whereas I would rate 
>>the TR3 and the TR8 systems three lug wrenches.
I'll chime in with pretty much the same opinion regarding the TR6 and TR8 
Falcon systems.  The TR8 is great - barks when you get on it, wuffles nicely 
when you don't.  The TR6 is fine too - mine doesn't resonate (although a 
friends does), and has a decent enough tone.  Depending how you use your car, a 
louder, deeper tone isn't necessarily a good thing, so give it some thought 
before you do anything.  If you drive it daily, the noise will start to be an 
annoyance rather than a joy after a while.
Regarding the Monza, I had one for about 8 months many years back, and the 
drone drove me nuts.  There was a resonance right around 3000RPM, which is 
where I spent a lot of time on my commute before I installed and overdrive.  
Great for a weekend drive, miserable  on a daily basis.  I'm notoriously cheap 
(no, make that frugal, yeah, that's it!) and I plunked down cash for the 
stainless setup when I couldn't take the Monza anymore.  On a side note, the 
construction quality of my Monza was really bad - it leaked anywhere there was 
a weld, most notably at the seams of the 'Y' adapter where the pipe splits into 
two (not at the pipe joints - at the factory welded seams! - it was made from a 
pair of pressings)  I've not heard that complaint from other users, so maybe 
mine was built on a Monday morning or something.  I just welded it up myself 
rather than returning it.
   
As always, YMMV,
John Dombey
'69 TR6
'81 TR8
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