Listfolk,
I am nearing the final stretch towards replacing the exhaust on my '70
TR6, and have been wondering about the rationale for the switch to twin
pipes in 1972(??). I believe the PI cars always had a full twin pipe
system so why did the TR250 and early TR6 get the single pipe? I ask
these questions because I plan to replace the entire exhaust, with a
pair of Supertrapps out back (or maybe the Monzas I got secondhand cheap
- with a Glasspack inline to take away some of the edge) and a tubular
header. Now I've heard some tout the advantage of the full twin pipe
system while others quote Kastner and claim better power management w/a
single pipe, although I understood that Kastner was talking about
straight-pipe setups in particular. I guess my delimma stems from the
fact that, a) I haven't bought my header yet, and it seems that some are
only available for two outlet systems, b) I love the look of the twin
exhausts (or quad), but at the same time, I've always believed in form
following function, and twin exhausts exiting from a "y" connection off
a single pipe seems somewhat silly if only for looks, and c) although
I'm on a gradual quest to reclaim the 45-odd horsepower we in the US
were denied, this car will only be a street car, and as such I'm
interested in maximizing torque and horsepower in the midrange, not
necessarily at full-race rpms.
So, waddaya think?? Any input would be appreciated, whether to clarify
or confuse the issue.
TIA
Shawn Mann
'70 TR6 CC50079L
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