675.cc • Triumph 675 Forum

Arrow replica stage 3 exhaust

Discussion in 'For Sale' started by ducatibiker19, Jun 18, 2020.

  1. ducatibiker19

    ducatibiker19

    Thread Starter

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    Hi all,

    I'm not sure which area is best to post this, apologies if it's not appropriate here.

    After searching many many months I have finally picked up an original race stage 3 titanium exhaust system and it's awesome.

    I know a great company who made an inconel exhaust system for my car and their work is amazing, the can fabricate alloy, titanium and inconel. I'm in talks with them about replicating the now discontinued arrow stage 3 system. Not only do they think they can make it from Titanium or inconel they feel they can improve upon it with regards to both weight and performance.

    I'm prepared to go out on a limb for the sake of science and ask them to go ahead with the intention of doing a back to back dyno run comparing the arrow and new exhaust systems. If the performance is the same or better I'm curious if there is a desire for these as I have seen posts asking to buy the arrow system. Estimate cost I'm waiting to hear, but as a concept is anyone interested and what budget would be considered reasonable for a new ti system?
     
  2. dks-123

    dks-123

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    Possibly interested

    Curious as to where you found the stage 3 though ?
     
  3. ducatibiker19

    ducatibiker19

    Thread Starter

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    Location: Kent
    A bit extreme, but I bought an ex-BSB bike with this and various other goodies fitted.
     
    • Funny Funny x 1
  4. dks-123

    dks-123

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    Oh fairs !
    Yeah that is quite extreme haha

    Il be interested in depending on price and finish,
    Also possibly interested in the original if you consider selling it
     
  5. StMarks

    StMarks PTG

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    They are a desirable bit of kit, and on the "wish list" of many owners......
    ...However fwiw,,
    Imho the reason the product is no longer produced is perhaps because there is a fairly limited market, and they possibly believe that this makes it no longer viable as a profit making accessory for them.?
    Does not necessarily mean that it's not worthwhile for a smaller & more specialised operation.

    Good luck, I'm sure I won't be the only one will be watching this with interest.
     
  6. ducatibiker19

    ducatibiker19

    Thread Starter

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    No worries, will bear it in mind, if the new system performs better, the arrows will be sold.
     
  7. ducatibiker19

    ducatibiker19

    Thread Starter

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    Thanks StMarks, I agree that as a larger company Arrow have to move with the market and simply the Daytona production run may not offer the profit for them. I suspect if the results are positive from the new system I can list the results, weights, dyno and run the exhausts hard on the track for a few months, take them off and inspect. Assuming all looks good then I'm happy to consider getting them done at cost. (No profit for me). Share the passion
     
    • Like Like x 1
  8. JohnnyPS4

    JohnnyPS4

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    Will be watching with interest especially if made in inconel, would also be interested if you compare on stock or very near stock engines and if there’s any improvement considering my understanding that the arrow isn't best suited on stock engines unlike the over the counter akraprovic
     
    • Like Like x 1
  9. ducatibiker19

    ducatibiker19

    Thread Starter

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    Location: Kent
    I have a stock 2009 Daytona 675, reasonably well serviced and 29,000 on the clock. The race bike I'm unsure what its putting out. It would be my intention to run it as fair as possible so the stock bike will certainly be used as the dyno mule for comparison, the only update will be higher temp plugs. I will take intake temps during the runs and ambient air. There will always be some variation, but it's as fair as I can think it should be. In addition the bikes will likely be tuned on the dyno for each exhaust to ensure the best results are gained for both. I will take the bikes out to gauge ride ability just to compare if theres any noticeable difference other than the theatrics of the exhaust note.

    I've done really similar tests when getting exhausts made for my car. A bit OCD!!! Haha. It wont happen overnight, but I'm hoping a few months from now perhaps.
     
  10. g6xer

    g6xer

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    i have a full TI arrow system on my bike, ECU is being flashed next Thursday @ T3 so will be very interested what i get.
     
  11. ducatibiker19

    ducatibiker19

    Thread Starter

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    Location: Kent
    T3 is where I've been to dyno my stock bike with the current exhausts, exup delete and end can and it didnt make anymore power but it did make the bike far smoother and responsive to ride. Sometimes I think ride ability is far more important than bhp/trq. Perhaps when you get a before and after add the results to this thread. I would be curious too.
     
  12. This sounds good. Will they copy the Arrow end can? Or they gonna put their taste on it?
     
  13. ducatibiker19

    ducatibiker19

    Thread Starter

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    They can copy it, personally I think the shape of the arrow can compliments the bikes shape. I guess they can do most things, but I would ask them to stick to the original unless there was a weight or performance gain to be had.
     
  14. I'd be interested in headers and mid pipe that can connect to the arrows end can, for me the arrows end can and baffle are perfect for my track needs. I just want the weight save of the headers and the fact that mine have been welded 3 times already!
     
  15. ducatibiker19

    ducatibiker19

    Thread Starter

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    I see no reason why parts couldnt be sold separately I guess.
     
  16. Brimoto

    Brimoto

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    Not that extreme, I did the same thing for the engines & other bits then sold the rest off.
     
    Last edited: Jun 19, 2020
  17. ducatibiker19

    ducatibiker19

    Thread Starter

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    I did feel bonkers, glad I'm not the only one then.
     
  18. Brimoto

    Brimoto

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    They are always asked for & sold instantly around £750 used the problem is they might only sell 3 or 4 a year & if priced much higher might not sell at all so the key is price
    People may choose to replace damaged ones as opposed to repairing if cheap enough and option to purchase the part we need to replace ie headers or tail instead of having to buy a full system.
     
  19. ducatibiker19

    ducatibiker19

    Thread Starter

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    Location: Kent
    I have seen people paying up to £1400 for the systems, when they were new they were 'mass produced' keeping the cost comparably low. Since being discontinued prices are higher with supply and demand plus we are talking 5-10 years ago in terms of inflation and cost of material. I shall just see what the fabricators can put together in terms of cost and see if there is a need, I agree no one is going to spend £2k+ on a system.
     
  20. Brimoto

    Brimoto

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    Like you I’d buy a complete bike before spending 2k on an exhaust, new or not.
     

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