2wheeldynoworks Posted April 4, 2016 Share Posted April 4, 2016 List of exhaust flash options: Stock Yoshimura Graves Ixil Two Brothers Arrow Akrapovic Carbon Akrapovic Ti M4 slipon Hot Bodies Graphs: Stock blue, Stock Flash Red Yoshimura Graves Ixil blue, Yosh red for comparison Two Brothers Arrow Arrow red, stock blue M4 slipon Akrapovic Ti Akrapovic Carbon Hot Bodies MGP Link to comment Share on other sites More sharing options...
zachd Posted April 4, 2016 Share Posted April 4, 2016 Pretty good info here, thanks. Do those other systems utilize a catalytic converter like the Ixil and stock system does? Could this be where the large difference in #'s is coming from for the oem/ixil compared to the rest? Link to comment Share on other sites More sharing options...
GoldenPenguin Posted April 4, 2016 Share Posted April 4, 2016 ***EDIT*** On second thought, do those other systems utilize a catalytic converter like the Ixil and stock system does? Could this be where the large difference in #'s is coming from? Nothing other than stock uses a cat that I'm aware of. Yes, it is a restriction in the system and will cost you power. Link to comment Share on other sites More sharing options...
new2me Posted April 4, 2016 Share Posted April 4, 2016 Very nice! Thanks for grouping that together. Which model Yosh is being used in that top graph? Link to comment Share on other sites More sharing options...
zachd Posted April 4, 2016 Share Posted April 4, 2016 ***EDIT*** On second thought, do those other systems utilize a catalytic converter like the Ixil and stock system does? Could this be where the large difference in #'s is coming from? Nothing other than stock uses a cat that I'm aware of. Yes, it is a restriction in the system and will cost you power. The Ixil system utilizes a built in one at the end of the collector. Link to comment Share on other sites More sharing options...
2wheeldynoworks Posted April 10, 2016 Author Share Posted April 10, 2016 updated first post with graphs for arrow, dan moto and akrapovic carbon Link to comment Share on other sites More sharing options...
adjuster Posted April 10, 2016 Share Posted April 10, 2016 I have a GPR that is similar to the Arrow design, in that the header is close to the same design, has a short pipe from the header collector, and then a oval style medium length can that exits about where the stock one does. (It does not stick out like the Akrapovic Carbon does.) Its' from a FZ09, but I have not tried to fit it on my FJ09 yet. Might have to modify the pipe/muffler or center stand bump stop. Link to comment Share on other sites More sharing options...
hornetmike Posted April 15, 2016 Share Posted April 15, 2016 Which model Dan Moto is it (and how loud!!??) Link to comment Share on other sites More sharing options...
Guest highplainsrider Posted April 21, 2016 Share Posted April 21, 2016 Is the Dyno for the Arrow using the X-Kone or Thunder system? Do you know what the difference is between the two? Thanks Link to comment Share on other sites More sharing options...
norcal616 Posted September 17, 2017 Share Posted September 17, 2017 STRUCK GOLD TONIGHT!!!! ahh feels good to poke photobucket in the eye ? was digging thru old paperwork in my garage and found 9 dynocharts from a year ago by 2WDW... Best exhaust todate is the Graves Exhaust w/Woolich Tuning(software) by 2WDW which put 120whp and ... 2012 wr250f - C-class 30+ age group 2015 fz-07- Hordpower Edition-80whp 2015 fj-09- Graves Exhaust w/Woolich tune by 2WDW @120whp Link to comment Share on other sites More sharing options...
norcal616 Posted November 3, 2017 Share Posted November 3, 2017 STRUCK GOLD TONIGHT!!!! ahh feels good to poke photobucket in the eye ? was digging thru old paperwork in my garage and found 9 dynocharts from a year ago by 2WDW... Best exhaust todate is the Graves Exhaust w/Woolich Tuning(software) by 2WDW which put approx 120whp/68TQ with baffle in!!, even Nels was impressed ... 2012 wr250f - C-class 30+ age group 2015 fz-07- Hordpower Edition-80whp 2015 fj-09- Graves Exhaust w/Woolich tune by 2WDW @120whp Link to comment Share on other sites More sharing options...
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