Arrow pipes/muffler on Thruxton -- how loud? - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 12 (permalink) Old 04-14-2019, 06:41 PM Thread Starter
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Arrow pipes/muffler on Thruxton -- how loud?

I'm may go look at a 2014 Thruxton with Arrow pipes and muffler. I haven't gone to see the bike yet -- it's quite a hike. How loud are these pipes/muffler? (See picture) I really don't like loud pipes -- I know that goes against what most riders want. I don't mind a little meaner growl as long as I can take the bike out at 6:00 AM on a Sunday morning without neighbors calling law enforcement. If they are too loud and the guy doesn't have the stock pipes, then that's a deal breaker for me. I know, I could get the bike and find stock pipes on eBay -- but I don't want to go thru that hassle.
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post #2 of 12 (permalink) Old 04-14-2019, 06:45 PM Thread Starter
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Also, does the ECU map have to be tweaked for these pipes? Or will the stock ECU/map be able to handle the lower back pressure automatically?

Are these Arrow pipes expensive, cheap, mediocre . . . ?

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post #3 of 12 (permalink) Old 04-14-2019, 07:18 PM
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There are baffles avail for the Arrow system that will reduce the sound o/p. Just search online.

Ride safe,

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post #4 of 12 (permalink) Old 04-14-2019, 07:28 PM Thread Starter
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Quote:
Originally Posted by wenzel850 View Post
There are baffles avail for the Arrow system that will reduce the sound o/p. Just search online.
Is it really loud without baffles?

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post #5 of 12 (permalink) Old 04-14-2019, 10:24 PM
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Is it really loud without baffles?

I'm afraid so. With the supplied db killer baffles installed it makes a pleasing sound and not too loud, in fact in Europe the pipes come with a certificate that has to be presented at inspection time to prove that it meets maximum noise standards.
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post #6 of 12 (permalink) Old 04-14-2019, 10:25 PM Thread Starter
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Thanks!

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post #7 of 12 (permalink) Old 04-14-2019, 10:26 PM
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Originally Posted by ElpMast View Post
Also, does the ECU map have to be tweaked for these pipes? Or will the stock ECU/map be able to handle the lower back pressure automatically?

Are these Arrow pipes expensive, cheap, mediocre . . . ?

The dealer has specific maps for the Arrow pipes, remapping is included in the price, which is high, but the fit, build and material quality is superb.
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post #8 of 12 (permalink) Old 04-14-2019, 10:31 PM Thread Starter
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Once again, thanks!

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post #9 of 12 (permalink) Old 04-15-2019, 07:33 AM
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I'm surprised anyone would respond to something as ambiguous as this. It's gonna be loud "ish" without the baffles as with any exhaust. Quite pointless with them in however, might as well stay with the stock exhaust. Put some in, take them out, modify them, do whatever. You have stainless Italian exhaust to work with.and that's an expensive start. That Wilder seat though is the bomb.
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post #10 of 12 (permalink) Old 04-15-2019, 01:46 PM
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yes you need to remap.

I have TEC's copy of this exhaust and it's way, way too loud for the "6:00 am" not wake the neighbors without the baffle. It's quieter with the baffle but still pretty loud.

If I take off at 6:00 am on a Sunday morning (which happens!), I barely touch the throttle and grit my teeth as I leave the neighborhood. No neighbors have ever called the cops, but that's mostly because it's not against the law to have loud pipes so the cops wouldn't do anything.
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