2013 D675 Cat delete recommendations - Triumph675.Net Forums
 
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post #1 of 10 Old 04-03-17, 15:56 Thread Starter
envycycles
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2013 D675 Cat delete recommendations

Can you guys recommend anything other than the MJS?
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post #2 of 10 Old 04-03-17, 17:26 Thread Starter
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Can you guys recommend anything other than the MJS?
Already speaking to the person that makes them. thanks
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post #3 of 10 Old 04-03-17, 17:33
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Have you tried trmn8tr?
I have no experience but everyone who's does raves about it.https://www.triumph675.net/forum/showthread.php?t=122785

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post #4 of 10 Old 04-03-17, 23:07
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I highly recommend the @TRMN8TR headers! I installed mine the other weekend and can't any happier! Great craftsmanship!

1997 YZF100R/Thunderace - She committed suicide 15Mar07!
2008 Daytona 675 - She was murdered 30Jan13
2013 Daytona 675R - Sexy reincarnation 15Mar13! Here's my build



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post #5 of 10 Old 05-09-17, 22:42
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Hey guys,

Bumping this thread rather than create a new one...

I've been in touch with TRMN8TR and he is happy to get a set of his headers out to the other side of the world for me, which is awesome, so I wanted to ask the resident body of expertise about the plan I have for the exhaust in case I am missing something.

Plan is pretty simple:
- TRMN8TR headers - no cat, stock O2 sensor bung
- TMR 'slip-on' exhaust - no EXUP, servo buddy
- Triumph Arrow full system tune from dealer

So essentially I am piecing together a full system, but at a fraction of the cost. Now, my question is - is this a viable plan?

I like the TMR option primarily for the aesthetics, I think it looks a million times nicer than an awkward looking can hanging off the side and losing the lower fairing panel. I am running on the idea that performance differences between slip-ons is marginal, and I'm not fussed about fractions of kg in weight either.

Will the Arrow tune from a dealer work well enough for the adaptive function of the ECU to fine-tune? I'd really like to avoid doubling my outlay to go down the PCV/dyno road, though I know that would be the best outcome. I'm not chasing 150hp, just a modest performance gain, nicer look, and gruntier sound... on a lamentably restricted budget.

Any thoughts/ideas/suggestions greatly appreciated!

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post #6 of 10 Old 05-10-17, 00:26
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I don't think the stock ECU is going to adapt as well as you think it will. Once it's tuned to those parameters, you're going to get spots in the band you're not going to be too pleasant with. I highly recommend the Rapid Bike Evo module. I am like you and have the TRMN8TR headers but with just the stock exhaust at the moment. My planned exhaust is the Arrow Race Conical which I will have someone local to me mock up and create a midpipe to get everything to work. What I like about the RB module is it has an auto-adapting feature already built into it. I unfortunately don't have numbers to prove my "gains" but my butt dyno tells me that the delivery is smoother (I don't feel any deadspots) and on deceleration, it's also smooth! The module is not cheap! It ran me just over $600 including the shipping but I feel well worth it. In the end and when compared, it's still way cheaper than getting a full system then adding all the needed piggyback systems.

1997 YZF100R/Thunderace - She committed suicide 15Mar07!
2008 Daytona 675 - She was murdered 30Jan13
2013 Daytona 675R - Sexy reincarnation 15Mar13! Here's my build



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post #7 of 10 Old 05-10-17, 01:57
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The Rapidbike EVO is a must! I have one myself :)

Surely there is someone in Sydney that can remove the cat? I would have though it would be any easy process for a fabricator..?

2015 Daytona 675R
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post #8 of 10 Old 05-11-17, 09:01
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Thanks for the feedback gents.

Deep down I probably knew it couldn't be that easy! RapidBike over PCV or Bazzaz? Just for the inbuilt adaptability? Any other features/price comparison?

@torana9x - I should save myself a bunch of trouble and just pinch your bike... I'm sure there are fabricators here that could do it... how much they would want to do it is another question.

You only live once, but live right and once is enough.
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post #9 of 10 Old 05-11-17, 09:08
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Quote:
Originally Posted by DarkHorse675 View Post
Thanks for the feedback gents.



Deep down I probably knew it couldn't be that easy! RapidBike over PCV or Bazzaz? Just for the inbuilt adaptability? Any other features/price comparison?


@torana9x - I should save myself a bunch of trouble and just pinch your bike... I'm sure there are fabricators here that could do it... how much they would want to do it is another question.


there is a mob in QLD that specialise in exhaust modification, they gave me a rough quote of $180 ..

2015 Daytona 675R
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post #10 of 10 Old 05-12-17, 03:14
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Don't bother with getting a system shipped from the states. Any local fab shop should be able to sort you out and you'll likely save a lot of coin doing it locally.

If you're going to the effort I do highly recommend getting rid of the standard collector along with the cat and exup, best one around can be sourced from cone engineering in the states. Make sure you get the merge bullet with that aswell. Then step your pipe up in diameter if you wish to 50.8mm. Standard diameter is 45mm from the collector.

As far as maps go I recommend a custom tune with either a bazzaz or power commander.

I had mine dyno'd with the arrow full tune to see where it was at and the AFR was all over the place. The off the shelf maps are rubbish and I would not recommend them to anyone. There were spots in the dyno run where it was running lean (not good). I've since fitted a bazzaz and had it tuned properly. Gained 5.8hp over the arrow tune.

Have a look at my exhaust build video for more info. Happy to discuss more if needed.

https://youtu.be/FeKzbLMoKeo

https://youtu.be/REaSuEUHleQ





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