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Re: [ST] Real <proven> benefits of triumph performance exhaust?



Dammit Blake.... I searched the net for everything
regarding this but forgot to look at the most central
place for ST/RS info....triumphnet.com.  Thanks for
the help.

You mention the Triumph tune richens things up, which
makes sense...have u noticed your MPG drop due to the
changes?

If I were to buy an aftermarket can and have the
dealer tune it with their hourly labor rates, I might
as well shell out for the tune-boy and give it a shot
myself and take my bike for some dyno runs.

As for the weight.....not I'm not really sure between
the three (OEM, Stainless accessory, and CF
accessory).  Does anyone else know?

Thanks,

Bryce

- --- Blake Sobiloff <sobiloff@xxxxxxxxxxxxxx> wrote:
> On Tuesday, November 25, 2003, at 02:19  PM, Bryce
> wrote:
> > I'm considering adding the Triumph accessory
> > performance exhaust (stainless) to my 2002 Sprint
> RS.
> > I know I will realize a weight savings.
> 
> Are you sure?  IIRC, they're pretty darn close.
> 
> > But with a
> > ECU remap from a triumph dealer, does anyone have
> any
> > dyno charts(before/after) of the effects of the
> > exhaust and remap?  I've heard rumor that it adds
> > torque down low, but can't confirm that.
> 
> The "race" tune does increase the richness of the
> mixture down low, 
> which helps provide some additional power and
> smooths out the throttle 
> response.  Eric has scans of the dynos on my bike (a
> '00 ST) that 
> should give you some idea of the change. 
> <http://www.triumphnet.com/st/faq/dyno/index.html>
> 
> > I figure u'd need the
> > tune-boy to setup an aftermarket exhaust where
> Triumph
> > has not provided a tune for it specifically.  And
> > would there be a significant price increase over a
> > regular Tune remap for a Triumph accessory
> exhaust?
> 
> Most aftermarket exhaust cans do OK with the Triumph
> "race" tune, but 
> some folks have reported some additional improvement
> by tweaking the 
> tune with that aftermarket Tuneboy.  If you could
> find a dealer to do 
> the tweaking, expect to pay regular dealer rates for
> several hours of 
> work.  The dealer would need a dyno, though, to
> really gauge the 
> effectiveness of their tune tweaks, and you might
> pay extra for that, 
> too.
> --
> Blake "Dawgbert" Sobiloff <sobiloff@xxxxxxxxxxxxxx>
> President, Triumph Sport Riders Assoc.
> San Jose, CA  (USA)
> 

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