Regarding the Monza exhaust, the system I fitted to my '71 TR6 was the
"single-pipe" version. It is connected to a 6-1 header. The problems
I had were the exhaust tips not sticking out far enough from the rear
of the car. This lead to exhuast fouling of the rear valence, a real
pain in the arse to keep clean.
The sound was loud "girgle", and I didn't like it much. A short-term
fix was to convert the monza to a one-muffler set-up, extending just
past the rear bumper. When I had the money to spend, I thought I'd
take it to a muffler shop for a custom system. That was three or four
years ago, as my temporary system is still working very well.
The sound of my "single-monza" is still louder than stock, but much
more pleasing than my 2-muffler monza system. I've driven the car for
more than an hour on the highway at a time with no extra stress. And
I don't have a radio in the car.
Finally, I must admit that I like the look of two pipes under the
bumper much better than the look of four pipes. It's not a V12, after
all.
Sincerely,
Kevin D. O'Connor
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