Modding the Commander / LT exhaust - Page 9 - Triumph Forum: Triumph Rat Motorcycle Forums
Thunderbird Twin - Technical Talk Technical talk for the big Thunderbird twin

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post #81 of 91 (permalink) Old 08-11-2016, 01:32 AM
Minitwins
Main Motorcycle: Thunderbird LT 2015 ABS
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Also read this feedback on revzilla for the exhausts

http://www.revzilla.com/motorcycle/v...bird-2014-2015

"The Vance and Hines are great looking pipes with a good fit and finish. They have a throaty growl that is loud but not deafening. Now comes the - but I wished someone had shared this information with me before I purchased them. Although the dealer said it would not be a problem putting these on; there was. No Triumph dealer has a map for these pipes only a general tune map. With this remapping or tune the pipes have a loud obnoxious popping sound on deceleration. Whatís the fix? You guessed it a lot more money. Start by adding a Dynojet Power Commander V Triumph Thunderbird LT / Commander at the average price of just over $300. Then donít forget the O2 sensor block off plugs for $25.00 plus shipping. And when it still pops (just not as bad) pull it into the nearest Dyno shop and they will custom tune it for another $250-300. Thatís it youíre done! Now enjoy the very expensive exhaust modification, I know I am "
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post #82 of 91 (permalink) Old 08-29-2016, 09:17 AM
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Main Motorcycle: 2014 Triumph Commander
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Quote:
Originally Posted by viveknath View Post
Also read this feedback on revzilla for the exhausts

http://www.revzilla.com/motorcycle/v...bird-2014-2015

"The Vance and Hines are great looking pipes with a good fit and finish. They have a throaty growl that is loud but not deafening. Now comes the - but I wished someone had shared this information with me before I purchased them. Although the dealer said it would not be a problem putting these on; there was. No Triumph dealer has a map for these pipes only a general tune map. With this remapping or tune the pipes have a loud obnoxious popping sound on deceleration. Whatís the fix? You guessed it a lot more money. Start by adding a Dynojet Power Commander V Triumph Thunderbird LT / Commander at the average price of just over $300. Then donít forget the O2 sensor block off plugs for $25.00 plus shipping. And when it still pops (just not as bad) pull it into the nearest Dyno shop and they will custom tune it for another $250-300. Thatís it youíre done! Now enjoy the very expensive exhaust modification, I know I am "
This is just my opinion. I was under the impression that Triumph did have a V & H tune but I may be wrong. If I had installed the V & H and was experiencing loud popping on decal before I dropped the $$$ on a Power Commander etc. I would spend $150.00 on a Booster Plug, Google it.
I added one to a 2010 Bird with D & D exhaust and was very pleased. I felt like the product performed as advertised. Smother idle and acceleration and greatly reduced decal popping.

Hey what's $150.00 these days, a trip to the movies and steak diner for two?

Red Devil
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post #83 of 91 (permalink) Old 08-29-2016, 09:19 AM
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Quote:
Originally Posted by viveknath View Post
Also read this feedback on revzilla for the exhausts

http://www.revzilla.com/motorcycle/v...bird-2014-2015

"The Vance and Hines are great looking pipes with a good fit and finish. They have a throaty growl that is loud but not deafening. Now comes the - but I wished someone had shared this information with me before I purchased them. Although the dealer said it would not be a problem putting these on; there was. No Triumph dealer has a map for these pipes only a general tune map. With this remapping or tune the pipes have a loud obnoxious popping sound on deceleration. Whatís the fix? You guessed it a lot more money. Start by adding a Dynojet Power Commander V Triumph Thunderbird LT / Commander at the average price of just over $300. Then donít forget the O2 sensor block off plugs for $25.00 plus shipping. And when it still pops (just not as bad) pull it into the nearest Dyno shop and they will custom tune it for another $250-300. Thatís it youíre done! Now enjoy the very expensive exhaust modification, I know I am "
This is just my opinion. I was under the impression that Triumph did have a V & H tune but I may be wrong. If I had installed the V & H and was experiencing loud popping on decal before I dropped the $$$ on a Power Commander etc. I would spend $150.00 on a Booster Plug, Google it.
I added one to a 2010 Bird with D & D exhaust and was very pleased. I felt like the product performed as advertised. Smoother idle and acceleration and greatly reduced decal popping.

Hey what's $150.00 these days, a trip to the movies and steak diner for two?

Red Devil
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post #84 of 91 (permalink) Old 10-27-2016, 02:50 PM
Minitwins
Main Motorcycle: 15 Thunderbird Commander
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Location: Atlanta, GA
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Quote:
Originally Posted by viveknath View Post
Also read this feedback on revzilla for the exhausts

http://www.revzilla.com/motorcycle/v...bird-2014-2015

"The Vance and Hines are great looking pipes with a good fit and finish. They have a throaty growl that is loud but not deafening. Now comes the - but I wished someone had shared this information with me before I purchased them. Although the dealer said it would not be a problem putting these on; there was. No Triumph dealer has a map for these pipes only a general tune map. With this remapping or tune the pipes have a loud obnoxious popping sound on deceleration. Whatís the fix? You guessed it a lot more money. Start by adding a Dynojet Power Commander V Triumph Thunderbird LT / Commander at the average price of just over $300. Then donít forget the O2 sensor block off plugs for $25.00 plus shipping. And when it still pops (just not as bad) pull it into the nearest Dyno shop and they will custom tune it for another $250-300. Thatís it youíre done! Now enjoy the very expensive exhaust modification, I know I am "
Maybe I'm just lucky, but I'm running the same pipes with stock tune and air filter and its just fine. Haven't notice any more popping than with stock pipes. I ordered the hi-flow air filter and will install it and get the new tune map Saturday. Hopefully things remain good. From what I've heard, there is now a V&H tune available.
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post #85 of 91 (permalink) Old 03-17-2017, 05:23 AM
Minitwins
Main Motorcycle: 2015 Thunderbird LT
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G'day Homersimpson,

Mate I took the cat off my 2012 storm and it made heaps of difference to the noise level and I believe the bike ran cooler, the fan did not come on as often.
Is this the case with the twin cats on the LT I am looking at gutting the cats more to make the bike to run cooler and if I get a bit louder note then that is a bonus.
What are your thoughts on the subject?

Cheers Ruddy

Cheers Ruddy
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post #86 of 91 (permalink) Old 03-17-2017, 02:01 PM
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I installed the V&H on my LT with no issues. Mechanically they look great. I also installed the V&H quiet baffle. The sound goes from way too loud to just right low throaty and mellow. You must order the quiet baffle separately. The installation issues in the early production is gone. Follow the directions, don't tighten anything until all bolts and nuts are snug, line up the heat shield, line up the pipes, then tighten everything down.
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post #87 of 91 (permalink) Old 03-17-2017, 02:02 PM
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By the way the quiet baffle, reduces the after fires. This is a fuel shut off issue in the ECU that is there because of the EPA.
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post #88 of 91 (permalink) Old 03-20-2017, 05:09 AM
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Quote:
Originally Posted by Dshrek49 View Post
By the way the quiet baffle, reduces the after fires. This is a fuel shut off issue in the ECU that is there because of the EPA.
I believe the decal popping is caused by "leftover" fuel igniting in the silencer. In older models you could stop or at least reduce that by removing the secondary air injector. Irrespective of that the V&H baffle will muffle that popping somewhat.

The power commander V might be able to tune the decal popping out on a LT/Commander but it's an expensive experiment.
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post #89 of 91 (permalink) Old 03-21-2017, 07:24 AM
Minitwins
Main Motorcycle: 2015 Triumph Thunderbird
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I have a 2015 LT and took a pointed tapered bar and punched a 1/2 inch hole in each baffle plate in the muffler while still on the bike. It is a whole lot louder and sounds snappy without a deep throaty sound. It's whatever you like and if you want it real loud go to 3/4 inch hole like I did after riding with the 1/2 inch hole for some time. The tone is not that loud until you pour it on and even then it will make a Harley stand up and take notice. Still have the cat installed.
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post #90 of 91 (permalink) Old 03-27-2017, 05:36 AM
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The baffles are a very good idea - we just spent a month developing and testing new pipes for the T/Bird and whilst you can make a tune that works open we decided the best acceleration, noise and smoothness was with a mildly restrictive street baffle - still louder and more power than stock but not fully open. I would guess the V&H baffle is much the same solution

Peter
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